Using Your Computer: Programs

Graphics Programs and Aids

ACS Software
Viewpoint
Spectrum 16K/48K RAM. £6.50 plus s&h.

3-D graphics package. Routines for rotating wireframe images in three dimensions. Written in Basic for the user to modify to his own requirements.

American Micro Products, Inc.
Sketch-A-Screen
16K RAM. Cassette: $17.95.

Two programs: 1) a computerized sketchpad with eight directional controls for using the plotting cursor; 2) a scrambled letter puzzle in which the user must arrange the letters in a given order using four direction controls.

Apropos Technology
Graphics Pac 1
16K RAM. Cassette: $10 pp.

An introduction to Sinclair graphics includes: 2 random “pop” art picture drawers; 2 doodlers which allows line art drawings on the screen. A screen formatter allows drawing with any of the computer’s character set. All creations may be saved on cassette.

Calliope Software
Metagraphics
16K RAM. Cassette: $12.95.

Create elaborate drawings with over 2000 different graphics characters and backgrounds. Simple enough for children, yet will delight any adult. Machine code and Basic.

Data-Assette
Kayde High Resolution Graphics.
$59.95,

Graphics Board fits inside the TS1000 or ZX81. Complete with a pre-programmed 4K Graphics ROM. Will give an extra 450 graphics and with the inverse there are over 900. The board has facilities for either 2K RAM for user definable graphics or 4K ROM for a 4K Tool Kit Chip. All graphics are software controlled.

Kayde Electronics High Resolution Graphic Software.
16K RAM with Graphics ROM. Cassette: $19.95.

Three programs written in machine code give the true arcade action you have been waiting for in a microcomputer. Space Invaders, Centipede, and Peckman. Extremely difficult and very fast moving.

Digital Integration
ZX81 High Resolution Graphics Pack
16K RAM. £38.95.

Fully programmable 256 x 192 pixel high-resolution display. Hi-Res-Basic Monitor in 2K EPROM includes PAGE, PRINT, PLOT, (inc. LINE), SCROLL, INV, CLS, COPY. Includes lower case character set for word processing. Full dynamic control of USER-DEFINABLE GRAPHICS. Fits between ZX81 and RAM pack. No additional power supply necessary. Handbook included.

Friendly Computer
Draw and Recall
16K RAM. Cassette: $9.95.

Draw on your TV screen and store your drawing to be recalled later. Similar to “Turtle” graphics. You enter an angle and a distance, the program draws the line. Other functions are: move without drawing, erase, delete, display screen position.

Graphics charts for Timex/Sinclair.
$4.95 per pack.

Printed forms allow you to easily plan your displays on paper before coding; save time and tedium. A full 8 ½” x 11″ size, they are printed with a grid, line and column numbers, and X, Y coordinate numbers. Packs of 100.

Gladstone
Memotech
Memopak High Res Graphics Pack (A70).
$144.95.
4K Graphics ROM (D13). $69.95.

Gives 448 extra preprogrammed graphics symbols, including lower case letters, bombs, bullets, rockets, tanks, complete set of invader graphics. Has a spare holder on the board which will accept a further 4K ROM/RAM. Can be fitted with 1K/2K RAM for user definable graphics. Can use the 4K Toolkit (D14) in the socket.

Nick Godwin
Movies
16K RAM. Cassette: $5 or 3 pp.

Enables you to create and use special moving graphics effect with minimum fuss or effort. Comprehensive drawing board enables creation of images frame by frame. Efficient storage system allows 100s of frames to be stored in 2000 reserved bytes.

Hensley and Associates
Animated Graphics Programming Course
16K RAM. $5.

The amazingly simple step-by-step secrets to creating your own “joystick” animated graphics type games! Free with order of any other Hensley product listed in the Buyers Guide sections.

Kopak Creations, Inc.
Grafix
16K RAM. Cassette: $14.95.

With this program you can draw complex images and save them on tape or put them in your own program.

Wm. Maples
Kaleidograph

Kaleidoscopic simulation in a 22×22 pixel display composed of randomly selected graphic pixels with 2 axes and a center of symmetry.

Memotech Corporation
Memopak High Resolution Graphics
16K Minimum. $124.95.

The Memopak High Resolution Graphics, with up to 192 by 248 pixel resolution, enables display of “arcade game” style graphics through its resident 2K EPROM, programmed with a full range of graphics subroutines.

Ken Osborne
ZX81 Window.
1K RAM. £3.99.

Define any number of “windows” on screen. Scroll characters against any background or roll off 1 side of screen onto the other. (wraparound effect including top to bottom). MC routine makes things “fly” around the screen when called from Basic.

Orbyte Software
Graphics I
16K RAM. Cassette: $14.95.

Draw, change, and redraw. Begin and end lines at any point. Draw a design and then move the entire pattern to another screen location. Designs can be memorized by the computer and recreated again. Coordinates of the pattern will be printed out at the end so that you can again create the same design.

Rave Research
Grif Graf
Kit: $19.95; assembled: $24.95.

Programmable graphics generator. Fits inside computer. All our software is available modified for this circuit (same prices). Generates any graphics you can dream up.

Simulsion
Etch-a-Screen
2K RAM. Cassette: $9.95.

Two drawing programs. Etch-a-Screen: Draws text and graphics in any direction; instantly and easily generates pictures; SAVEs on tape or COPYs to printer; with 16K RAM, it can store 19 video slides and then display them in rotation with selected pauses. Crazy Painter: Draws random patterns on the screen with wild brush strokes and manic speed.

Hey, There!
2K RAM. Cassette: $9.95.

Two display programs. Banner: Continuously scrolls a banner of up to 700 giant letters smoothly across the screen; clear, SAVE on tape, or add a message with a single keystroke. Message Board: Displays the first line of up to twenty messages; press a call-letter to view any message.

Softsync, Inc.
Graphics Kit
16K RAM. Cassette: $14.95.

23 Machine Code routines to add graphics to your own programs. draws or deletes multicharacter shapes, creates borders, includes foreground and background functions which makes shapes appear to emerge and fade behind other shapes plus reverse, fill, scroll, and many more. The routines are super fast and when loaded occupy about 2K RAM at RAMTOP. (Licensed from Paul Holmes.)

Graphics Six Pack
1K RAM. Cassette: $14.95.

Six great games on one cassette. Listings of the programs and instructions on how to upgrade and modify them are included in documentation. Twirly Invader: Shoot the man fom Mars. Winding Stairway: Navigate through the winding stairway. Astro Dodger: Avoid flying space debris. Cross The Road: Avoid being hit by passing automobiles. Plus Alien Invaders and Defend.

T-S Systems
Hi-Res Graphics in Action
16/48K TS2000. Listing: $6 plus large SASE.

Takes advantage of the impressive hi-res graphics capabilities of the TS2000.

Multi-Color Images
16/48K TS2000. Listing: $2 plus large SASE.

This small Basic program makes extensive use of the color and hi-res graphics. At the execution of this program a pattern is drawn which changes continuously in shape and color.

Color Hi-Res Helper
16/48K TS2000. Listing: $4 plus large SASE.

A utility program in MC to help you work properly with graphics.

Vidiom
Character Set Graphics Kit
$3.00 and SASE.

Visually spaced, large format letters, numerals, and punctuation. Not a program. A fast, easy to use system that gives professional look to your display. Designed for ZX81/TS1000, but can be used for any computer with graphics symbols. Instructions and tips with kit.

Bob Woish
Compu-Pen
2K RAM. Cassette: $3; listing: $2.

An “Etch-a-Picture” type program in which you have a choice of characters (Compu-Pen I) or high resolution drawing (Compu-Pen II). Beautiful displays, designs, messages, etc. now possible. Uses full screen.

Word Software
The Drawing System
16K RAM. $17.95 (10% off if SYNC is mentioned).

MC drawing program that features 8-directional drawing, 3 drawing modes, full ZX character set, ‘smart’ cursors, line and screen fill, output to ZX or CAI printers, screen overlaying from tape or memory, and selectable speed repeating keys.

Horizon Simulations
Draw-it
16K RAM. Cassette: $5.

This program will allow you to create 12 screens of pictures and save them on cassette or print them on a printer. You can later modify the picture later.

Educational Programs

American Micro Products, Inc.
Trigonometry
16K RAM. Cassette: $17.95.

Uses a flash card approach to supplement high school math classes and teach the user about calculations involving triangles and parallelograms with numerous graphical examples.

Arithmetic
16K RAM. Cassette: $17.95.

A flash card style learning aid for preschoolers and elementary school children. Aids in learning the fundamentals of addition, subtraction, and multiplication. Oversized numbers make this program especially easy to use.

Home Educator
16K RAM. Cassette: $17.95.

A flash card style program that allows the user to design and write up to eighty flash cards for one package and then save them. This program comes with the states and their capitals entered as a beginning set of flash cards.

Algebra
16K RAM. Cassette: $17.95.

A flash card style learning aid for helping the user learn and study high school level algebra. Specifically, the program deals with the solving of equations with one or two unknowns.

Hangperson
16K RAM. Cassette: $6.
48K Spectrum.

Content for “skeleton” with instructions in REMs for teachers to add their own material. Highly polished hangman format will set 50 words/phrases with graphic or verbal clues.

AVC Software
Electricity
16K RAM. Cassette: $6.
48K Spectrum.

A highly-polished hangman format test game with 50 words/expressions; each with cryptic graphic or verbal clue. The test material is 10-12th grade electricity and magnetism.

Forces
16K RAM. Cassette: $6.
48K Spectrum.

A highly-polished hangman format test game with 50 words/phrases/expressions; each with cryptic graphic or verbal clue. Test material is 10-12th grade dynamics and statics.

Biology 2
16K RAM. Cassette: $6.
48K Spectrum.

A highly-polished hangman format test game with 50 words/expressions; each with cryptic graphic or verbal clue. The test material is 10-12th grade plant and general biology.

Count-Down
16K RAM. Cassette: $6.
16K Spectrum.

Content free “skeleton” with instructions in REMs for teachers/parents to add their own material. Based on a rocket-launch game; allows you to set 10 question tests (random non-repeated questions) at four levels from a 60 item pool.

Tables
16K RAM. Cassette: $6.
16K Spectrum.

A rocket-launch test game. Four levels of 10-question tests; questions coming at random from a 60 item pool, but not repeated.

Similes
16K RAM. Cassette: $6.
16K Spectrum.

A rocket-launch test game. Four levels of 10-question tests; questions coming at random from a 60 item pool, but not repeated. “as . . . as a so-and-so,” or “as such-and-such as . . .” 5-9th grade.

Phys Prob
16K RAM. Cassette: $6.
16K Spectrum.

A rocket-launch test game. Four levels of 10-question tests; questions coming at random from a 60 item pool, but not repeated. Solve standard physics data problems using random integral figures. 9-12th grade.

French
16K RAM. Cassette: $6.
16K Spectrum.

A rocket-launch test game. Four levels of 10-question tests; questions coming at random. English-French and French-English vocabulary. For end of year study. repeated.

Angles
16K RAM. Cassette: $6.
16K Spectrum.

Provides practice, with some help, in use of protractor. 5-10th grade. 8×10 inch acetate simple protractor: $2 extra).

Graph
16K RAM. Cassette: $6.
16K Spectrum.

Plots any input x/y relation over wide ranges of values (user defined). Menu driven with printer option. 6-12th grade.

Forensic
16K RAM. Cassette: $6.
48K Spectrum.

A detection game involving standard chemical qualitative tests. 9-12th grade. Program won an award in the 1982 Sinclair educational computing software competition.

Compound
16K RAM. Cassette: $6.

A game for 1-6 players involving “paying for” qualitative analysis data to determine the target substances. 9-12th grade.

Atoms
16K RAM. Cassette: $6.

A game for 1-6 players involving drill for chemistry and physics courses on nuclear and electronic configurations. 10-12th grade.

War Game
16K RAM. Cassette: $10.
48K Spectrum. Cassette: $12.

Named after famous British anti-nuclear war film. (a) presents relevant facts of Hiroshima; (b) offers relevant data pages; (c) provides a simulation in which the user must explore the effects of nuclear explosions on London in a range of variable conditions. Detailed instructions, notes, and references.

Fortune
16K RAM. Cassette: $6.
16K Spectrum.

Fortune telling program gives graphic displays, including zodiac sky for input birthdate and neat random text output. For fun and fund-raising events.

Human 1
16K RAM. Cassette: $6.
48K Spectrum.

A highly-polished hangman format test game with 50 words/expressions; each with cryptic graphic or verbal clue. Test material is 8-10th grade respiration, skeleton reproduction (human biology).

Human 2
16K RAM. Cassette: $6.
48K Spectrum.

A highly-polished hangman format test game with 50 words/expressions; each with cryptic graphic or verbal clue. The test material is 8-10th grade excretion, digestion, health (human biology).

Biology 1
16K RAM. Cassette: $6.
48K Spectrum.

A highly-polished hangman format test game with 50 words/expressions; each with cryptic graphic or verbal clue. The test material is animal biology.

Christian Software
The Ark (2100).
2K RAM. Cassette: $12.95 plus $1.50 s&h.
David and Goliath (2200).
2K RAM. Cassette: $12.95 plus $1.50 s&h.

Bible story games, multiple choice; answers with graphics. $2 for C.O.D.

J. W. Collins
Der Student. (DS1000).
16K RAM. Cassette: $24.95 plus $1.50 s&h.

A self-study German language series of 18 programs, reviews elementary vocabulary and grammatical concepts. Helps the beginner get a good start and serves as an excellent supplement for rapid review.

Computer-Wear Software
Speed Reading
16K. Cassette available 4/82.

Designed by a (2,000 words per minute) speed reading record holder. Demonstrates concepts needed to improve your reading skills/speed. Actual mechanical techniques are synthesized to give you all the benefits once available only from expensive courses. Dealers invited.

DRRP
Proverbs
16K RAM. Cassette: $5.

An exciting game that teaches you the wisdom of Solomon through the Biblical Proverbs. Six degrees of difficulty; contains 60 proverbs; learn the proverbs as you discuss them with your opponents.

Hebrew Tutor
16 RAM. Cassette: $5.

Learn the Hebrew letters, Hebrew spelling, pronunciation, and meaning without pain and struggle of a text book in an exciting and interesting game. 1 or 2 players.

D.S.B.C.
Math Tutor
16K RAM. Cassette: $6.95.

Takes a child from simple counting to multiplication and division. Good for preschool through 4th grade. Kids love the gamelike format. Spelling Tutor available in March 83.

Fisher-Marriott Software
Bomber
16K RAM. Cassette: £6.

The fun tables practice game. Press a key to “bomb” the right answer. Includes 3 other practice games: Numbervaders (“smash” the correct answers), Shootout (how fast can you answer), 4-in-a-row (tables naughts and crosses). Age 6 up.

Bigspell
16K RAM. Cassette: £6.

Spelling practice based on word lists in “Classroom Index of Phonic Resources” by Herbert and Davies-Jones. Incorporates 800 words divided into 115 tests. Each test covers a rule of spelling. Large lower-case letters used. Routine to correct mistakes and help the pupil. Age 5 to secondary level.

Alphabet
16K RAM. Cassette: £6.

Uses big size upper and lower-case graphics. Sections to learn where the letters are on the QWERTY keyboard; to match lower-case with upper-case; to teach alphabetic order. Age 4 up.

Wordplay1
16K RAM. Cassette: £6.

Pit your wits against the computer. Games include: Word-cross: Score points each time you can get words to cross on a grid. Anagrams: Sort out the jumbled letters. Hangman: A neat version of this favorite. Use the word lists in the program or input your own. Age 7 up.

Wordplay2
16K RAM. Cassette: £6.

Word games for 2-6 players. A trial of skill referred by the computer. Games include: Anagrams: Watch the computer jumble your word up, and your opponent sorts it out. Hangman: Avoid a sticky end. ZXrabble: Not really Scrabble, but you get 7 letters and must make the longest word as fast as you can. Age 7 up.

The Count
16K RAM. Cassette: £6.

To help the youngest child, and those who have not yet grasped the concept of number. Presents the basic ideas of number and counting in a friendly and helpful fashion.

Friendly Computer
Trig Teacher
16K RAM. Cassette: $9.95.

Makes it easier, perhaps even fun, to learn the trigonometry functions available in Sinclair Basic. Lots of graphics, pictures, examples. Covers SIN, COS, TAN, ACS, ATN, LN, EXP. Instruction sheet includes a list of formulas to use in you Basic programs. Instructions.

Gladstone
Mathematics Packages
16K RAM. Each package: $24.95.

Package contains: 2 program cassettes, each with 8 lessons and games. Workbook with exercises and games and explanation for parents. Each package covers a grade and complements standard textbooks used in North America. Allows student to proceed at his own speed and level. Programs are self-guiding. Packages numbered by suggested grade level M1 through M6.

Flashcard (Z51)
16K RAM. Cassette: $11.95.

Memory aid and testing device simulating flashcards. You can put questions on one side and the answers on the other. Then give a random, nonrepeating test. Set up math, trivia, memory tests. You can set up, edit, and save cards. Menu driven.

Heath Computer Services
Multiplication Tables (SBG-568311).
16K RAM. Cassette: $9.95.

Allows user to choose the multiplier for up to 50 problems; a large graphic (YES) or (NO) will appear after each problem; incorrect problems may be listed, showing your answer and the correct answer.

Math Quiz (SBG-568312).
16K RAM. Cassette: $9.95.

Allows user to choose addition, subtraction, division or multiplication for up to 50 problems, with six difficulty levels; incorrect problems may be listed with your answer and the correct answer.

Flash Spelling (SBG-568313).
16K RAM. Cassette: $9.95.

Enter up to 50 words for your child to learn to spell; you determine how long you want the word to be flashed; misspelled words may be listed showing your answer and the correct spelling; word files may be saved on tape.

Hewson Consultants
Countries of the World
16K and 48K Spectrum, Cassette: £5.95.

Makes full use of the Hi Res Graphics and Color capabilities of the ZX Spectrum. Side 1: 16K version; 1) Displays a Hi Res Colour Map of the World, 2) Names all the countries, 3) Shows the position of each country and names its capital. Side 2: 48K version: 16K version plus, 1) Full Colour Map of the World, 2) Displays the Population, currency and main languages of each country, 3) Gives statistics on the largest and smallest country, highest and lowest populations, most and least densely populated.

InfoCenter
Massive.One

Consists of over 40,000 bytes of interactive instructional material plus 5 fast-action, machine code games (many variations) each of which demonstrates one or more points regarding mass, inertia, momentum. Ages: 14 and up. Other educational packages coming.

Instant Software
Geography Explorer-U.S.A. (456TS)
32K RAM. $9.95-$19.95.

This educational program of U.S. Geography is comprised of three lesson sets includes: state’s capital, location, area in square miles, population and other information. There are lesson-planning suggestions and study aids. Makes learning interesting to children with animated graphic rewards.

Teacher (455TS)
16K RAM. $9.95-19.95.

This educational program allows the child to do his lesson independently. A lesson of up to twenty questions with their answers can be stored. The teacher/parent will find it easy to make up the lesson and can change it as many times as wanted. Animated graphic rewards for the correct answer.

Intercomputer Inc.
Eduventure I (ED3001)
16K RAM. Cassette: $12.95.

What greater reward can there be for a young school child than recess? This Eduventure requires the child to progress through a variety of “classrooms,” encountering a new problem, puzzle or educational game in each. Upon successfully making it through all the classes, the child reaches RECESS and a surprise finish. For grades K-3.

Eduventure II (ED3002)
16K RAM. Cassette: $12.95.

The older child is ready for greater stimulation of the mind than was possible in Eduventure I. Solving this adventure requires skill and knowledge in a variety of academic areas. The child increases the speed of his thinking as he tries to avoid the worst of disasters: The Principal’s office. For grades 4-6.

Eduventure III (ED3003)
16K RAM. Cassette: $12.95.

In this program Junior High School students have the opportunity to try to outsmart their teachers. They move from class class, facing in each a new situation, which is solved by applying their knowledge and skill. But quick thinking can lead to a shorter solution which brings a greater reward. Be careful. An unsuccessful attempt to outwit the teacher can have disastrous results!

Eduventure IV (ED3004)
16K RAM. Cassette: $12.95.

The sharpest mind is severely tested in trying to negotiate this maze of difficult situations. Each one is different, requiring the application of the student’s knowledge and insight to apply unusual solutions to unusual problems. Expands upon classroom learning. The reward is graduation and a real diploma (if you have a printer). For grades 10-12.

Kimtech
States and Capitals
16K RAM. $10.00.

This program draws the United States and divides it into seven regions. It then asks which region is to be studied, draws that region’s states, and quizzes the user for the states’ names and their capitals. At the finish of each region, a scoring summary is given showing results for that region and for the total lesson.

Kopak Creations, Inc.
Edu-Pak-1
16K RAM. Cassette: $19.95.

An educational program. Teaches the user, reading comprehension, vocabulary, spelling, some sentence structure, and two bonus games: “Super” Number Guesser, Fortune Teller. Coming soon! Edu-Pak 2, 3, 4, . . .

Super Math
16K RAM. Cassette: $14.95.

Drill yourself in addition, subtraction, multiplication, and division with 5 levels of difficulty.

KMC Programs
Help
16K RAM. Cassette: £3.75.

Test pupils’ knowledge of times tables in multiplication and division. Illustrates concept of multiplication as the addition of groups and the concept of division as the subtraction of groups.

Coor
16K RAM. Cassette: $£3.75.

3 lessons in Cartesian co-ordinates. The first gives basic facts and illustrates with examples. The second introduces the concept of X and Y axes and point of origin using moving graphics. The third is a game which uses knowledge of coordinates obtained from previous lessons.

KMC Programs
Darts
16K RAM. Cassette: £3.

Provides a realistic game of darts which exercises your ability in number work. Game cannot proceed until you calculate correctly. Correct calculation is also necessary to win the game against the computer.

Mac-Man Software
Alphabet Primer
16K RAM. Cassette: $9.95.

This program introduces the letter A to Z in large graphics. Screen prints letter A and awaits input of any key before proceeding. After letter Z, it returns A but the second run through requires input of the letter shown on the screen to go to B.

Spelling Primer
16K RAM. Cassette: $9.95.

This program teaches youngsters to spell. The screen prints a picture and then a large word naming the object or concept. It then prints the picture and asks for INPUT of the word by user, i.e., SPELL …. There are many moving pictures and this is a visually stimulating program designed to hold children’s attention.

Numbers Primer
16K RAM. Cassette: $7.95.

Program introduces digits 1 to 10 in large graphics. Second run through requires user to input to continue. Quantities are depicted graphically as well as by numerals. Last segement allows user to input any number at random and will print that number.

Addition Primer
16K RAM. Cassette: 9.95.

Similar to “numbers” except it adds the various combinations of 1 to 10 and graphically illustrates the quantities and their sums.

Subtraction Primer
16K RAM. Cassette: $9.95.

Follows the same format as the Addition Primer except that the function is subtraction. Addition and subtraction may be purchased as a pair for $15.95.

Multiplication Primer
16K RAM. $9.95.

Program starts with an excellent and simple explanation of multiplication. It then proceeds with illustrated examples as in the above and test problems.

Mac-Man Software
Divison Primer
16K RAM. Cassette: $9.95.

Begins with definition and explanation of division followed by illustrated examples and test problems. *Multiplication and Division may be purchased as a pair of $15.95.

Multiplication Tables
16K RAM. $9.95.

An aid to learning the “times tables.” Provides for user to select the multiplier and then prints out the full table for 1 through 12. This is in regular size type as it is for students who know addition and subtraction and the concept of multiplication. Quiz at end.

Mallas Software
Grade Master
16K RAM. Cassette: $15.

Educators save your valuable time. Program computes grade average, median, totals of each grade, range of scores, class average, review individual or all students scores.

Teachers Gradebook (32K)
32K RAM. Cassette: $24.99.

32K version of 16K RAM teachers gradebook available from Timex. Holds 40 students/40 exams. Differentiates and reports averages of quizzes, tests, and quarterlies. Can alphabetize at any point during use and separate boys from girls if necessary. Self-starting, self-saving, printer output. Full support by SASE.

R. Midura
Capitals and States
16K RAM. Cassette: $10.

3 programs. Test your knowledge of the capitals and states, Europe, Middle East, Asia. 3 modes: 1) Given the state, name the capital; 2) given the capital, name the state; 3) random mixture of 1) and 2). Review option gives all incorrectly answered questions. Each quiz consists of a random order of multiple choice questions with the answer randomly placed among 3 randomly selected choices.

Mindware Inc.
From Eagle Sales
Multiple Choice Test
16K RAM. Cassette: $15.95 plus s&h.

Set up virtually any kind of multiple choice test. You can write as many as 30 different test questions each with 3, 4, or 5 possible answers. Questions are randomly posed. A correct answer on the first try earns 2 points; the second try earns 1 point.

Word Test
16K RAM. Cassette: $15.95 plus s&h.

The computer poses in random order a series of up to 30 variations on a general test question, e.g., a question like, “What is the state capital of . . .?” It then checks the answers for accuracy and gives 2 points for each correct answer. You can enter a list that you want to be tested on: Practice language drills, vocabulary, and other memorized materials. By Christopher Jones.

Mornae Software
Lingo 1
16K RAM. Cassette: $15.95 plus $1.50 s&h.

French, German, Italian, Japanese, Portuguese, or Spanish language programs. Two-way translator. 16 lessons, each lasting 15-25 minutes, on nouns with articles, verbs, common words. Words randomly selected and repeated when incorrectly answered. Over 350 words with English translation on each cassette.

P. Nethercot & R. Rackstraw
Russian Roulette
3K RAM. Tape only. £2.

At heart a random number generator. Popular with younger children as it gives them a chance to fall down when “shot.” Makes nice use of graphic characters. See note in Suppliers Directory.

Mark Total with Averages
1K RAM. Listing: £1.

Overcomes the task of working out average marks when children have been absent. Adds up marks, and where short calculates and includes an average to render the totals comparable.

Mark Sorter
1K RAM. Listing: £1.

Sorts marks into descending order, along with pupil’s initials. Much quicker and more reliable than shuffling bits of paper.

Tables
1-3K RAM. Listing: £1.

Generates tables, tests; does not repeat questions in any one test produced. More than 10 questions will require more than 1K RAM. For teacher’s use as answers are supplied also.

Ten Tables
1K RAM. Listing: £1.

Displays on the screen 10 multiplication questions. Press ENTER and the answers are displayed for pupils to assess their own results.

Salary
3K RAM. Listing: £1.

Check your payslip, or see what you will get after the next payrise. Designed specifically for teachers. (So no higher band taxpayers catered for.) UK only.

P.60 Check
3K RAM. Listing: £1.

Check that P.60, see if you are due for a tax refund. Aimed at teachers. UK only.

School Fund
16K RAM. Tape only. £3.

Handles school fund accounts, fully menu driven, any number of accounts available, printer routine included. Keep track of who has what in your school fund. Allows for current and deposit accounts. Also available through MUSE. See note in Suppliers Directory.

Class List
16K RAM. Tape only. £3.

The names of your teaching group are held in an array so you do not have to enter the names each time you use the program. Enter the mark for each pupil and a mark order list is produced aong with the deviation from the average for each pupil. Printer option included. See note in Suppliers Directory.

YHA Costs
16K RAM. Tape only. £3.

For those who go youth hosteling. Calculates total cost and cost per individual of visits to hostels. Transport costs may be included. All current YHA prices are included in array with routine for annual updating. Will also printout a booking form to send off to the hostels concerned. Fully menu driven. UK only. See note in Suppliers Directory.

Orbyte Software
The Quiz
16K RAM. Cassette: $14.95.

Math game geared to grades 1-4. 2 levels of difficulty. Choice of addition, subtraction, multiplication. Series of 3 problems appears. Correct answer gives graphic applause. Incorrect answer gives reinforcement by requiring a correct response. Random selection of combinations.

Words
16K RAM. Cassette: $14.95.

Choose category: people, things, animals, food, plants, time, numbers, geography, science, and technology. 450 words in random sequence and scrambled differently each time. Solve scrambled words with 3 tries. After 10 words, score given.

A Parsons
Geography
16K RAM. Cassette: $9.95.

Seven programs: The student has to find towns in the UK or Europe with a series of five maps drawn on the screen. The maps are of Europe, UK, Southern England, South East England and South West England. There is a Town and Country naming program and an English Towns Hangman.

General Knowledge
16K RAM. Cassette: $9.95.

A variety of general knowledge tests: Famous People Quiz, Name the Person, and Where About? Also Dates: Choose the correct date of a historical event. Plus Plurals: Spell correctly the plural of the word printed on the screen.

Eurogame
16K RAM. Cassette: $9.95.

A war game played over the map of Europe for one or two players. Players choose when to attack. Graphics show the map, areas won and lost, and the electronic dice. All 24 lines of display are used. Tape also includes: Cat and Mouse, Maze, and Spy Run.

Maths
16K RAM. Cassette: $9.95.

In response to requests from teachers, this tape has 3 competitive programs for Maths Practice, Plus Bridge Maths, 4 Function Practice, each right answer builds another strut of the bridge; if not completed in 15 tries it falls down. Plus volumes; plus Big Maths, large figures for group use.

Art and Fun
16K RAM. Cassette: $9.95.

Six programs: Noughts and Crosses, Battleships and Board Game. Sketch Pad: Allows the user to draw a picture, copy it if a printer is connected, record it to play again, and watch it re-draw the picture. Plus two fascinating pattern generators.

1K Fun Learning
1K RAM. Cassette: $7.95.

Learn spellings, add in hours and minutes, price quantities of groceries or give change. Plus four function sums with whole figure answers and score. Plus tables.

16K Fun Learning
16K RAM. Cassette: $9.95.

Six programs including: Word Sums: Invites you to add amounts shown in words, not figures. Areas: Gives the pupil exercises in working out areas and perimeters with guidance if required. Translation program for English and French words. An English Vocabulary Test. Two versions of the very popular Hangman.

Polymath
Educational Aids Program
16K RAM. Cassette: $19.95 pp.

Solve and check mathematical equations quickly and accurately. Solve quadratic, cubic equations, polynomials, factor numbers, solve for x and y, plus more. Menu driven. Turns your computer into a private tutor. Documentation.

Rose Cassettes
Intermediate Maths 1
16K RAM. Cassette: £4.95.

Six programs which first teach and then test, using generated numbers: 1) Long Multiplication: Allows for entry of all working starting from the RH end. 2) Long Division: All working shown on screen, 3) Highest Common Factor. 4) Lowest Common Multiple. 5) Fractions 1 (add and subtract). 6) Fractions 2 (multiply and divide). Each program has a different incentive jackpot game with moving graphics. Correct answers and running totals shown. Appropriate help facilities plus a printed certificate.

Intermediate Maths 2
16K RAM. Cassette: £4.95.

Based on the same format as Intermediate Maths 1: Areas (7 basic shapes), Perimeters (5 shapes), Simple Equations, Percentages, Sets and Venn Diagrams.

Intermediate English 1
16K RAM. Cassette: £4.95.

6 teach and test programs: Meanings (of words) 1, Meanings 2 (higher level), Parts of Speech, Proverbs, Similes and Anagrams. Each program has a different jackpot game incorporated with moving graphics. Correct answers and running totals shown, plus a certificate. Help facilities in Parts of Speech and Anagrams.

Intermediate English 2
16K RAM. Cassette: £4.95.

6 teach and test programs: Idioms, Opposites 1, Opposites 2, Group Terms, Odd Word Out and Spellings. Each program has a different jackpot game with moving graphics. Questions are multiple choice using RND selection. Certificate given.

“0” Level Maths Revision
16K RAM. Cassette: £4.95.

3 programs: 1) Teaches and then tests using generated numbers. Menu choices of a) Matrix multiplication, b) Inversion of a matrix, c) Multibase Arithmetic: Addition, d) Multibase Arithmetic: Subtraction, e) Calculus: Differentiation, f) Calculus: Integration. 2) and 3) are timed tests, using 30 questions based on the “0” level syllabus. Explanations are given where appropriate. Numbers are generated.

“0” Level French Revision
16K RAM. Cassette: £4.95.

6 programs. 3 teach and test grammar programs: Verbs, Pronouns, Adjectives; and 3 comprehensive vocabulary programs: Vocab 1 (nouns), Vocab 2 (Verbs), Vocab 3 (Common Expressions etc.)

Primary Arithmetic
16K RAM. Cassette: £4.95.

4 programs: Add, Subtract, Multiply, and Divide. Numbers in large size type. 3 levels: 1) Units only, 2) Tens and Units, 3) Hundreds, Tens, and Units. Questions are asked, e.g, “Do you need to borrow one?” “What shall I carry forward?” A correct answer adds a features to a balloon face; an incorrect answer erases a feature. When all features are present, We have liftoff! (machine code). Printer gives hard copy of incorrectly done sums.

Educational Quiz
16K RAM. Cassette: £4.95.

4 quiz programs. Questions cover: General Knowledge, Reasoning, English, and Maths. RND function is used. See if you can beat the clock. Time penalty points are incurred if you are too slow. Suitable for all the family.

D. Rowland
Quiz Grader (1)
1K RAM. Listing: $1 plus SASE.

Grades tests and quizzes in which all sections are equally weighted; basic but efficient.

Test Grader (2)
2K RAM. Listing: $2.

Similar to Quiz Grader but also handles differently weighted sections in a test.

Test Grader with Group Printout (3).
2K RAM. Listing: $2.50.

Similar to Test Grader but prints out results every 10 students then recycles for next group.

Test Grader with Grade-System Option (4)
2K RAM. Listing: $2.50.

Similar to Test Grader but user can change grade system without changing program listing.

Super Grader (5)
16K RAM. Cassette: $9.50.

Deluxe menu-driven test grader with many options and error corrections provisions to assure user that typed in data are correct.

Scisoft
“O” Level-Physics, Chemistry or Biology.
48K RAM. $8.

“O” level study packs include revision book, hints on how to revise, problems, and multiple choice questions.

“O” Level Maths Parts I & II
48K RAM. $5.50.

“O” level study packs includes revision book, hints on how to revise, data randomised; different questions each time.

Junior School Maths
48K RAM. $5.50.

Jungle Maths: +, -, ×, ÷. Pass through a jungle by getting the sums right, but watch out if they are wrong. Astromaths: Decimals, Fractions—play a space game but only if the answers are right.

Paul Shreeve Software
Primary Maths Package
16K RAM. Cassette: $10; Listing: $3.00 (inc. s&h).

Tables test, fractions game, area game, make simple math fun for elementary grade children.

Learning About Ourselves
16K RAM. $5 (inc. s&h).

A 16-page (A4) sized book containing listings of five programs for elementary/junior high science. 1) Bar graph program, 2) Reaction test program, 3) Alphaset Memory test, 4) Numeric Memory test, 5) Averaging numbers program with a full description and follow-up ideas for each program.

Sinclair Research Ltd.
Cassette 2: Junior Education.
16K RAM. Cassette: $11.95.

7 programs to help with addition, subtraction, multiplication, division, and spelling: Crash, Multiply, Train, Fractions, Addsub, Division, Spelling. 7-11 year olds.

Cassette 5: Junior Education
1K RAM. Cassette: $11.95.

6 programs: Math: 4 arithmetic functions at 3 levels of difficulty. Balance: See-saw theory. Volumes: Cube is drawn with dimensions given. Averages: Mean and mode. Bases: Decimal to other bases. Temp: Find resultant temperature from mixing 2 barrels of water at different temperatures. 9-14 year olds.

Software Development Associates
Statehood Quiz (E100)
16K RAM. Cassette: $12.95.

Quiz 1: Capitals & Rank. Quiz 2: Birds & Flowers. Quiz 3: Mottos & Nicknames. The name of a state is displayed and you respond with an answer. Each correct answer receives 10 points.

Word Quiz Vol. 1 (E200)
16K RAM. Cassette: $7.95.

Two educational lessons to help you increase your vocabulary. Each lesson displays a word with two definitions. If you select the correct definition, you will receive 10 points. Each lesson consists of 25 words. Lesson 1 is a beginner’s lesson. Lesson 2 is an advanced lesson.

Hangman Vol. 1 (E300)
16K RAM. Cassette: $7.95.

An educational lesson to help you improve your spelling ability. The lesson randomly selects one of fifty vocabulary words. These are the same words used by Word Quiz Vol. 1. You are required to guess the word letter by letter. After each mistake another piece is added to the hanging man. After 13 mistakes, the body is complete, and you lose.

The Software House
Cassette M1
16K RAM. Cassette: $8; 2 for $12.

Addition, subtraction, fundamental arithmetic, various skill levels, fun and enjoyable.

Cassette M2
16K RAM. Cassette: $8; 2 for $12.

Multiplication, division, teaches fundamentals, various skill levels.

Softsync, Inc.
Computer Tutors: Alpha/Vowel Tutors
16K RAM. Cassette: $14.95.

Two programs on one cassette which visually help children learn the alphabet and the use of long and short vowels while also introducing them to the world of computers. With the help of graphic displays, students learn to match letters to the correct words. Alpha Tutor (ages 4-8) and Vowel Tutor (ages 5-9).

Computer Tutors: Math Raiders 1000
16K RAM. Cassette: $14.95.

Math Raiders combines valuable math tutorial exercises with the fun of arcade games. You are the captain of the USS Raider 1000 with four weapons: addition, subtraction, multiplication, and division. Right answers allow you to fire at the invaders who are trying to penetrate the atmosphere. Two levels of play; ages 6-10.

Spencer Software
Control Taster Course
1K RAM. $11.

A friendly 50 page booklet for simple control experiments on the ZX81. It includes details of traffic lights, simple robot, bar code reader and music maker. The booklet includes some notes concerning the construction of the control box. Each copy contains a copyright waiver allowing schools to duplicate extra copies for their own use.

Hodthorpe Collection
16K RAM. Cassette: $21.

A collection of six general purpose programs for educational use covering arithmetic, spelling, picture quiz, multiple choice quiz and so on. The problems are chosen by the teacher and the computer monitors the responses for up to 20 pupils. Includes a 60 page booklet with examples, instructions, and listings.

Computing Taster course
1K RAM. $8.

A friendly 40 page booklet in large letters, which has been used with a large number of 10-14 year olds. It includes 25 or so programs which allow the pupils to gain experience whilst holding their interest. Each copy has a copyright waiver allowing schools to duplicate extra copies for their own use.

Taster course— Teacher’s Notes
1K RAM. $5.

Notes and comments concerning the way in which the above material was used with a variety of pupils.

2-Bit Software
1, 2, 3, Go
2K RAM. Cassette: $9.95.

For the very youngest computer users. Exercise skills in counting (Cats and Dragons), knowing left from right (Trace Course), and spelling (Scrambled Eggs; Alphabeasts). But do not tell; they will just think they are having fun. Can be played alone or with a friend. Ages 6 and up.

2K Express
Seven Programs
2K RAM. Cassette: $12; each program available as a listing at $1. Catalog: SASE.

Mathtest: Ideal for youngster; uses repetition, rewards, 3 levels of difficulty. Utilities: Enter meter readings; compare past normals; updates averages. Makelist: Scrolls text of 22 lines; change any line. Other programs: Invoices, Budget, Monthly Sales Graph, Averages Graph. Easily built to 16K.

P. Hargrave
Four 16K Programs
16K RAM. Cassette: $12.50.

Math Tutor: Add, subtract, multiply, and divide. Five levels. Menu controlled. Typing, Skills: A fun and competitive skill improver. Set speed, keep up to the computer. Birds: Guide missiles to intercept the Bird or what it drops will bring a nasty end. Astro Smasher: Dodge asteroids, smash enemy ships before force shields fail.

D. Lipinski Software
Tutor
16K RAM. Cassette: $10.

A quiz-making program to help others learn. You tailor the quiz to your student. You may enter text and questions or just questions in multiple choice, true-false or direct answer. Included is a subroutine to organize your inputs so they are readable when displayed. Self expanding to the available memory.

Robill Products
MX-Pac
1K/16K RAM. Cassette: $24.95 + 2.75 s&h.

Provides immediate use and in-depth knowledge for the beginner-intermediate level user. 6 games, 6 patterns, 6 utility programs. The included book, Printout 1, is 100 pages of support/growth, containing clear explanations of the 18 programs and listings for 2K and 16K expansions.

Silicon Valley Software
States and Capitals
16K RAM. Cassette: $9.99.

Educational game to learn U.S. State and Capitals. Play and study options. Automatic score keeping. Fun for all ages.

U.S. Presidents
16K RAM. Cassette: $9.99.

Educational game to learn the U.S. Presidents. Important Presidential facts included. Automatic score keeping. Fun for all ages.

Chemical Symbols
16K RAM. Cassette: $9.99.

Educational game to learn the chemical elements in the Periodic Table. Automatic score keeping. Junior High School level and above.

Loans

Basco
Super Mortgage
16K RAM. Cassette: $10.

The program is menu driven and allows comparisons for various mortgage amounts, terms, and interest rates. A range of comparisons for each element of the mortgage is allowed and detailed output tables are provided. A detailed amortization schedule is also provided as an option. All instruction is contained in the program.

Florida Creations-Dept. SBG
Home Financial Package
1K RAM. Listing: $2.

Mortgage Analysis: Calculates monthly payments on loans. IRA Planner: Calculates your retirement possibilities. Bond Investment: Calculates actual returns on bonds.

Business Depreciation Package
1k RAM. Listing: $2.

Calculates yearly depreciation and book value using (1) straight line method. (2) sum of the year’s digits method; and (3) double declining balance method.

Kopak Creations, Inc.
The Loan/Mortgage Amortizer
16K RAM. Cassette: $14.95.

On your next loan, be ahead of the game. Compare the cost of loans from different Banks.

R. Panwar
Loan Analysis
16K RAM. Cassette: $9.95 plus $1 s&h.

Helps analyze loan with menu and instructions. Calculates: monthly payment for a loan; duration to pay back a loan; affordable loan amount; compare various loans; manipulate loan parameters; amortization tables; interest charges; compound interest; appreciated value of an investment; depreciation (straight line, declining balance, sum of digits).

Z-West
Loan Helper
16K RAM. Cassette: $6.95 plus $1 s&h.

A program to display the total cost of any loan, interest paid, and period balances. You can better judge your financial obligations with this program, and make an efficient decision for loan application.

Stocks and Investments

American Micro Products, Inc.
Stock Returns
16K RAM. Cassette: $17.95.

The user enters information concerning the selling price of stocks along with their annual dividends in order to obtain the return on the investment for any combination of years.

Computer Engineering Services
Mutual Fund Advisor
16K RAM. Cassette: $12.95 plus $1.25 s&h..

A program based on a proven method for investing in no-load mutual funds. Records can be saved and then loaded. If you are an investor, this program is for you. Instructions and listing. By Rolf L. Miller.

Data-Assette
Compu-U-Share
16K RAM. $24.95.

Maintain an up to date portfolio of your stocks, bonds, or other financial investments. Monitor your results or run a forecast of expected results. Includes P/E ratios, dividends, etc.

Property Manager
16K RAM. $24.95.

Provides for any combination of 10 units in 2 buildings or 2 units in 5 buildings. Track each unit for rent, up to 15 variable expense categories and 15 fixed expense lines for a full year. Optional SAVE routines for the ZX99.

Gladstone
Personal Stock Market Planning (Z54)
16K RAM. Cassette: $29.95.

4 programs on 2 tapes with detailed instructional manual. Programs adapted to ZX81 and TS1000 from routines used in large scale computers by a leading software house. Programs: Dow Jones Moving Average; Personal Stock/Bond Transaction Recorder; Portfolio Review; Point and Figure.

Kopak Creations, Inc.
The Stock Option Analyzer
16K RAM. Cassette: $16.95.

Using the TS1000 you can evaluate stock options quickly. Output includes an unexercised ROI, annual ROI, and net worth.

M.H. Marks Enterprises
Stock Portfolio
16K RAM. Cassette: $19.95.

Menu-driven program which stores all pertinent data of up to ten different stocks at a time. Continuously calculates gains, yields (including dividends received) and length of time held of individual stocks as well as a composite view of all holdings. Each stock entry can be easily modified or deleted.

Wall Street Wizard
16K RAM. Cassette: $9.95.

Calculates broker’s commission on any stock in any quantity. Calculates gains and yields on currently held stocks. Call Option strategy also is incorporated into this program: When you buy a stock and sell an option against the stock, the computer will calculate what will happen on expiration date of the option,

Orion’s Belt Enterprises
Analysis
16K RAM. Cassette: $17.95 plus $1 s&h.

Stock selection guidance. Fundamental stock analysis. One time input using data in newspapers/library. Make BUY/HOLD/SELL decisions. Uses linear regression techniques to forecast expected earnings and corresponding market data. Tape and tutorial.

Portfolio
16K RAM. Cassette: $15.95 plus $1 s&h.

Investment portfolio file management. Maintain records of shares, cost, performance, and selling price targets of up to 50 stocks, bonds, mutual funds. Menu driven. List file, records; record maintenance or file update options. SAVEs/LOADs. Input current market prices and program recalculates overall portfolio and individual security performance as well.

D. C. Roberts
Stocktaker
16K RAM. £6.50 UK; £9 US, pp.

Provides comprehensive and automatic valuation and stocktaking facilities for the small businessman, sports and social clubs, or domestic use. Menu driven with paging; full screen tabular display in six columns with sub and grand total options. Includes “initialise,” “change,” “update.”

Stocktaker
Spectrum 48K. £7.50 UK; £10 US, pp.

Provides fully comprehensive and automatic stock control and valuation facilities and is ideal for the small businessman, sports and social club or domestic use. The program is menu driven with paging and full screen tabular display in six columns. Facilities include “initialise,” “change,” “update,” and “review” as well as display of sub and grand totals.

M A Smith
Personalised Share Portfolio Program
(Mark I)
16K RAM. Cassette: £7.50 Sterling Money Order.

Menu driven with add/delete facility; full schedule with graphic presentation; capital gains calculation; Dow Jones Index compared with share performance; auto print capability.

Personalised Share Portfolio (Mark II)
Spectrum 48K. Cassette: £8.50 pp.

Menu driven program similar to Mark I but updated for the Spectrum Computer. Separate programs provided for 20 and alternatively 40 share locations.

Softsync, Inc.
The Stock Market Calculator
16K RAM. Cassette: $16.95.

Written by an experienced Stock Market executive, this program is made up of two sections. “MKT1” contains Net Price Worksheet, Profit/loss and Covered Write Worksheet. “MKT2” uses the Net Price Worksheet and adds the Write Unwrapper. You can alter variables after the initial run, enabling you to try different price and investment alternatives.

Teletek Co.
Stock Market Program.
16K RAM. Cassette: $9.95 + $0.50 s&h.

Manages your portfolio, maintains records of securities you have bought and sold. Analysis provides 12 different listings (gains, loss, dates, yields, etc.). On side 2 of cassette, program for market forecast.

UAS
Fundamentals. (C4014).
16K RAM. Cassette: $7.95.

Evaluate your stocks by the seven key factors used by successful stock market analysts. Also includes a subprogram for dollar cost averaging.

Manage Your Stock Portfolio. (C7003).
16K RAM. Cassette: $7.95.

Track your portfolio of stocks to assess your profit and losses through various periods. Check your performance against your investment goals and as compared with the current inflation rates.

Stock Options. (C4008).
16K RAM. Cassette: $7.95.

Stock options can open up a new investment horizon for you when you know the timing for buying and selling them. Remember they require less investment than stocks. The program will calculate the projected rate of return over the life of the option and allow you to compare various stock option combinations.

Real Estate. (C4003).
16K RAM. Cassette: $12.95.

One of the trickier aspects of investing in real estate is determining how much you can make or lose after taxes. This program allows you to input the key investment details on up to three different properties and then calculates the cash flow and the return on investment for comparison. Calculations are done before and after taxes. You can play “what if” simulations.

Financial Records

Basco
Home Financial Planning
16K RAM. Cassette: $7.50.

2 programs to help you invest your money and project interest on installment loans. Interest received projection estimates the future return on an investment using compounding of interest by compounding period. Loan payment projection estimates the monthly payment for an installment loan based on the amount borrowed, length of time and interest rate using compounding.

Graph Power
16K RAM. Cassette: $10.

Menu driven program allows bar graph and pie charts to be produced. 5 bar scales can be selected with up to 18 points plotted.

Cottage Technology
ACZ General Ledger
16K RAM. Cassette: $29.95.

Double entry accounting system; menu driven; generates trial balance, income statement, balance sheet, statement of owner’s equity, and a post closing trial balance; includes many options.

Easy Graph
16K RAM. Cassette: $9.95.

Converts your data into a fast, flicker free bar graph display labeled with appropriate scale and title. Enter the data and let Easy Graph do the rest. When SAVEd, program retains past data for easy updates.

Custom Electronics Device Corp.
E-Z Bookkeeping

For small business, department in a large business, homemaker. Set up numbered accounts; vendor list. Take expenses from check book and/or receipts and enter. Computer categorizes and totals for last period, totals to date.

Data-Assette
Budget Forecaster and Cash Flow Analysis
16K RAM. $19.95.

For home office. Keep detailed records for twelve months in 1) income, 2) variable expenses, loan balance or line of credit. Forecast or track cash flow.

D.S.B.C.
Home Accounting
16K RAM. Cassette: $6.95.

3 programs to assist in proper control of home finances. Checking balance, budget, expense file, Menu driven.

Executive Workshop
Financial Ratio Analysis
16K RAM. $4.95.

Accepts various figures from a company’s income statement and computes 11 ratios including assets to debt, debt to worth and average collection period. Flags potential problem areas. Provides the most accepted method to measure the financial stability of any company.

Expected Value Computation
16K RAM. $4.95.

Computes potential return on various projects. Used to analyze business decisions by the statistical method of expected value. All possible outcomes are weighted to arrive at a reasonable expected value.

Pricing Programs
16K RAM. $4.95.

Computes variable and fixed costs and provides retail prices with various markups. User can set margin of mark-up or total profit required.

Financial Package
16 RAM. $4.95.

Computes: installment payments with interest on unpaid balance; installment payments with add-on interest; loan amortization with annual, semi-annual, quarterly, or monthly payments and remaining balance table; savings account interest compounded daily.

Accounts Payable/Receivable
16K RAM. $4.95.

Includes listing for up to 100 accounts. Keeps track of date of last transaction and amount due. Search by name or number. Lists total accounts payable/receivable.

Sales Trend Analysis
16K RAM. $4.95.

Charts and computes highs, lows, averages, and increase (decrease) over previous years. In choice of four formats: 12 month: $1500 or $15,000 monthly sales; 24 month: $1500 or $15,000 monthly sales; 12 month: $2000 or $20,000 monthly sales; or 24 month: $2000 or $20,000 monthly sales.

Depreciation Schedule
16K RAM. $4.95.

Compute equipment depreciation on the straight line, sum-of the years-digits or double declining balance. Special Feature: double declining balance converts to straight line according to the proper accounting formula and allows for a salvage value of 0 when required.

Break-Even Analysis
16K RAM. $4.95.

Computes unit sales and dollar volume of sales necessary to reach a breakeven point, beyond which profits are gained. Various retail prices can be input to test their effects on the break-even point.

Gladstone
Property Manager (D22)
16K RAM. Cassette: $24.95.

Provides for any combination of 10 units in 2 buildings or 2 units in 5 buildings per program. Additional units handled by running a new copy of the master file. Program tracks each unit for rent, up to 15 variable expense categories, 15 fixed expense lines. For one year.

Personal Financial Planning Pack (Z53)
16K RAM. Cassette: $29.95.

2 tapes and detailed reference/instruction manual. Programs: Checkbook Balancing, Personal Net Worth, Budget Plan, Mortgage Plan.

Heath Computer Services
Cash Register (SBG-56837).
16K RAM. Cassette: $9.95.

Totals, figures sales tax, clears and keeps daily totals.

Human Engineered Software
Budget Master 1000
16K RAM. Cassette: $15.95.

An invaluable household budget program for the new Timex/Sinclair 1000. Features full user control to create your own categories as well as display totals in monthly, year to date and average format.

Kopak Creations, Inc.
The Budgeter
16K RAM. Cassette: $15.95.

This program can keep track of your personal budget and expenditures. Automatically loads above RAMTOP, it is like extended Basic for your TS1000 or Sinclair ZX81.

Accounts
16K RAM. Cassette: $19.95.

Small business or home accounting system.

Manufacturing Control
16K RAM. Cassette: $19.95.

Lets you compare labor and manufacturing cost of 150 products.

Personal Records Storage System
16K RAM. Cassette: $29.95.

Personal records are easily stored with this program.

D. Lipinski Software
Inex
16K RAM. Cassette: $10.

An income and expense sheet style program for purchases, payment, interest, beginning balance and current balance for over 99 different user accounts including standard deductions, net pay and total income. Add/delete account names, list to screen or printer, transfer balances to set new account period. Self expanding to the available memory size.

Markel Software
Financial Record Keeper (16K RAM)
16K RAM. Cassette: $14.99.

Files one year’s record in 20 user defineable areas. Printer output. Menu driven. Month by month totals, year to date totals, review individual files, or all totaled. Full maintenance routine. Self-Starting, self-saving, self-naming (according to the year entered). Full support by SASE.

Financial Record Keeper Plus (48)
48K RAM. Cassette: $24.99.

All the applications in Financial Record Keeper (16K RAM) plus the ability to hold 500 checking transactions. Checks listed according to a number of options (date, check no.) or by endorsee. List year to date totals by endorsee or category. Checkbook reconciliation routine included. Shows which checks have cleared the bank.

Mohr & Associates Corp.
Financial Planner
16K RAM. Cassette: $25.

Software for the insurance man. A complete CNA packaged for the aggressive insurance man. Balances the client’s assets, provides retirement and insurance planning.

Tax Favored Programs
16K RAM. Cassette: $25.

For the IRA, annuity salesman. Gives comparison of other financial packages such as CDs, mutual funds vs. Tax deferred annuities (KEOGH/IRA/TSA/SPDA/Flexible Annuities).

P. Nethercot & R. Rackstraw
Budget Account
16K RAM. Tape only. 3.

Keep track of where the money goes; see why you are always in the deficit at the end of the year. Allows for annual review, printout status, shows amount budgeted per item, amount spent and balance remaining, percentage, and total spent each month. Menu driven.

Bob Norman
Financial Analysis
16K RAM. Cassette: $8.95.

Financial analysis of retirement and investment savings. Standard savings and IRA’s, showing tax, interest, retirement income, inflation, comparison, and plot.

Orbyte Software
Home Budget
16K RAM. Cassette: $14.95.

Keep running balance of family finances. Details sample budget. 3 major categories: Income, Deductible Expenses, Non-Deductible Expenses. Small businesses can also use it as a tool for finance management.

Oxford Computer Publishing Ltd.
Finance Manager for Spectrum and TS2000.
48K RAM. Cassette: $19.95.

MC program handles over 2000 entries in up to 255 separate accounts. Full Screen input, cursor control, and amendment, makes this program particularly easy to use. Facilities include automatic double entry, instant account balances, regular payment facility, and cash flow calculations. Individual accounts may be listed, updated or printed out.

A Parsons
Treasurer
16K RAM. Cassette: $9.95.

Analysis Book keeps records of up to 15 columns, user-defined either credit or debit, 400 entries can be made with date and detail shown. Balance readily accessible. Full accounts can be printed. Plus Address book for 110 Names and Addresses, Search by Name, Category number, Town, Street, even part of a name, and print mailing labels.

Peak
Dataplot
16K RAM. Cassette: $10.

Dataplot plots stock prices, scientific data, etc. Plots positive and negative free formated data stored in REM statements. Can be used with your printer. Draws and lables axes, titles your plot, draws figures, plots from an equation and will plot on a grid.

Sensible Technical Solutions
Easy Z Financial Transactions (413).
64K RAM. Listing: $10; Cassette: $15.

Works with 16, 32, 48. This program will handle all your different accounts (credit card, store credit, checking, savings, etc.). Menu driven, self-modifiable, load and save on tape, complete prompting through entire program). Tax deductible.

Easy Z Accounting (128)
64K RAM. Listing: $15; Cassette: $20.

Works with 16, 32, 48. Complete double entry accounting system. Journals (cash receipts, cash payments, purchases, sales, general, and petty cash). Ledger (cash, expenses, inventory, merch. sales, merch. purchaseso, other accounts can be entered to customize program. Outputs to screen, standard Tax Deductible.

M. Sieder
Programs 16-101 to 16-106 on one cassette (6 programs): $75.
Sales Journal (16-101)
16K RAM. Cassette: $15; listing: $2.

Work sheet for cash, cheque, and A/R sales giving printout of detailed distribution and totals for G/L entry plus verification.

Accts. Receivable (16-102)
16K RAM. Cassette: $15; listing: $2.

30 accounts by name and number with 10 entries each plus balance. Schedule of A/R, transfer of balances for new entries plus printout.

Accts. Payable (16-103)
16K RAM. Cassette: $15; listing: $2.

Similar to Accts. Receivable.

Aux. Bank Book (16-104)
16K RAM. Cassette: $15; listing: $2.

Work sheet with distribution, totals, and printout for G/L entries of 45 cheques in and 30 cheques out per day plus deposit slip printout.

General Ledger (16-105)
16K RAM. Cassette: $15; listing: $2.

30 identifiable balance and P+L accounts. Ten entries each per account. Trial balance and daily P+L statement, printout, transfer of balances for new entries.

Simulsion
Bank and Tax Register
16K RAM. Cassette: $9.95.

A check register to store a year’s transactions: number, date, category, and amount for each item; recall by any combination of factors (e.g., all checks over $100 dated 1/83 to 3/83 in the category AUTO EXP). Easily add, change, and delete entries. Can print with headings on screen or printer with totals and grand totals.

Skinner Electronic Enterprises
Personal Finances. Part I.
16K RAM. Cassette: $12.95; listing: $7.95; $2 s&h.

8 routines using compound interest to calculate accumulated interest, time to accumulate, rate of return, investment required, future value, future value with daily compounding, conversion to effective annual rate, and conversion of addon interest to APR.

Personal Finances. Part II.
16K RAM. Cassette: $12.95; listing: $7.95; $2 s&h.

3 routines for calculating IRA account balances using single annual, regular monthly, or irregular monthly deposits. 5 routines using simple interest to find total interest paid, time to accumulate, rate of return, investment required, and future value.

Softsync, Inc.
Advanced Budget Manager
16K RAM. Cassette: $16.95.

This program combines a financial data base with a forecasting program. Choose from the menu to input or review data, analyze income/expense (projected and actual) by month, category or by total; six income and twenty-four expense categories; built-in save feature and print routine; easy to operate with self-explanatory instructions.

Software Development Associates
Home Budget (F100)
16K RAM. Cassette: $12.95.

A home financial planning program that lets you budget your expenses into 15 accounts. A blank cassette is included with Home Budget on which to save your data.

Auto Record Keeper (F101)
16K RAM. Cassette: $15.95.

Keep a record of such items as gas, oil, repairs, car payment, insurance etc. Various screen displays provide year to date expenses, miles per gallon, and cost per mile.

Syber, Inc.
Financial Manager 1000
16K RAM. Cassette: $15.95.

A completely integrated business/home Budget, Expense, Checking, and Financial Management System. Maintains monthly and year to date data for up to 35 user defined categories; numeric and graphic output along with menu driven operation.

SyncMaster
Financial Analyzer
16K RAM. Cassette: $14.95 + $1 s&h.

Three programs include: (1) Calculate payments, interest rate, total amount or period; enter three, calculate fourth. (2) Loan amortization with optional principle pre-payment; save lots of money on your mortgage. (3) Future value of an IRA, using variable interest assumptions.

Timeworks, Inc.
The Money Manager. (1301).
16K RAM. Cassette: $16.95.

Input sixteen budget and actual categories on a monthly basis for a 12-month period. Full analysis is provided including budget and actual comparisons, and detail by individual items. Bar charts provide graphic representations of budget and actual amounts for each period. Store information on tape for updating, revision, or reference.

UAS
Budgeting. (C7001).
16K RAM. Cassette: $7.95.

The program guides you through the generation of a practical way to budget. Significant expenses are highlighted and suggested corrections are derived by recursive routines.

Spreadsheets

Banta Software
Screen-Calc
16K RAM. Cassette: $19.95.

Electronic spreadsheet; up to 450 user-defined entries, input data or calculate results; any entry can be defined in terms of any other entry; built in summing and averaging or rows and columns; any entry can be located by name. Useful for business, budgets, bookkeeping, or inventories.

Hensley and Associates
Economical Accounting Spreadsheet Program
16K RAM. Cassette: $15.

A powerful multi-calculation and “what-if?” tool with which to generate an endless array of reports, charts, forecasts, schedules, projections, and analyses. Our product allows access to the program itself to enable the user, with a little study of simple arrays, LET statements and FOR-NEXT loops, to completely design his own spreadsheets to fit his exact needs, rather than the program’s.

Kopak Creations, Inc.
Vu-Calc
16K RAM. Cassette: $19.95.

Constructs and generates, calculates, large tables for budget sheets, financial analysis, and projections.

Memotech Corporation
Memocalc
$49.95.

Memocalc, our spreadsheet analysis software on EPROM enables TS1000 users to perform complex number crunching routines with ease. With a 64K RAM a table of up to 7000 numbers with up to 250 rows or 99 columns can be specified.

Mindware Inc.
From Eagle Sales
Matrix Planner
16K RAM. Cassette: $22.95 plus s&h.

All purpose worksheet for budgeting, job costing, data analysis, business planning, estimating, engineering, and home use. Sets up rows and columns of interrelated numbers, formulas, and words, “what if” questions (e.g., price revisions, lowered tax rates) can be instantly calculated to reflect changes on all variables.

P&B Software
Video-Calc
16K RAM. Cassette: $9.95.

Electronic spreadsheet with scientific, home, and business calculations. Supports ZX printer, has all ZX81 mathematical functions.

Simulsion
Easy Calc
16K RAM. Cassette: $9.95.

Does math directly. Enter a problem or formula and the answer appears. Ten on-screen variables, A to Y, for problems like (4*D)/Tan A. Each can be an equation itself; run systems equations with a single keystroke. Various configurations included such as a printer-calculator which produces columnar output on the printer with subtotals and totals.

ZX81 Programs
Compusheet
16K RAM. Cassette: $10.

Electronic spreadsheet program. Enter data or formulas in a row and column format. Formulas include all ZX 81 numeric functions plus special ones for adding up a series of numbers or for looking up tables. Instructions.

Fastsort
16K RAM. Cassette: $10.

MC program that sorts up to 255 floating point numbers stored in a Basic array in 4 seconds. A comparable Basic program takes over 16 minutes in the FAST mode. Instructions.

Checking

American Micro Products, Inc.
Checkbook
16K RAM. Cassette: $17.95.

A means of keeping a personal checkbook. Allows the user to enter such information as dates, the check payee, a check use code, and the check amount. Maintains a running balance and searches the database using several different criteria.

Cottage Technology
ACZ Check Register
16K RAM. Cassette: $9.95.

Does more than balance the checkbook; summarizes expenses by accounts; allows allocation of one check to several accounts; this is a stand alone system; it can directly transfer the accounts summary into the ACZ General Ledger.

CRC Software
Check Book
16K RAM. Cassette: $12.95.

Keep track of all your checks. Gives balance after each entry. Lists checks by month. Search for the checks by Payee or by check number.

Statement Aid
16K RAM. Cassette: $9.95.

Helps you to balance your checkbook against your bank statement each month.

Custom Electronics Device Corp.
Checking Account

Designed to work with E-Z Bookkeeping but can be used alone. Keeps up to 200 checks in one file. Checks are numbered automatically; categorize by account or vendor number. Enter a number and the name is typed for you. Accounts and vendors can be changed as you want. Write for details.

Heath Computer Services
Checking (SBG-56833).
16K RAM. Cassette: $9.95.

Lists up to 25 deposits showing deposit and date; lists up to 80 checks; lists by account the total of the checks written; keeps total of checks written and balance left in account; adds interest, subtracts service charges; searches for check by number, name, date or amount; prints lists of deposits, accounts, and checks with ZX or compatible printer.

Hilton Computer Services
Personal Banking System
16K RAM. Cassette: $20.

Banking program supports datafiles; automatic posting of standing orders on correct dates; facility for listing (with printout) by category with totals.

PBS Bank Reconciliation Module
16K RAM. Cassette: $10.

Used in conjunction with Personal Banking System to match bank statements and PBS records automatically. Highlights all discrepancies, lists uncleared checks, etc. and offers full correction facilities.

D. Lipinski Software
Check
16K RAM. Cassette: $10.

A check book for 200-400 transactions. Automatic check number and date entry. Listing of items by outstanding items, name, date or check number either to the screen or printer. Entry errors are correctable. With simple reconciliation you get the bank statement balance.

R. Panwar
Checkbook Record
16K RAM. Cassette: $14.95.

Store checks, deposits, running balance.. Find total deposits, total checks. Search by user defined codes for various categories. Helps in budgeting. Stores data for the whole year.

Simulsion
Checkbook Balancer
2K RAM. Cassette: $9.95.

Checkbook Balancer: Reconciles your bank balance to your checkbook balance with a running tabulation and display of both; stores and lists up to 100 uncleared checks and deposits. Graphic Checkbook: Graphic presentation of your ups and downs; generates a four year bar graph of your monthly bank balance.

Timeworks, Inc.
The Electronic Checkbook. (1304).
16K RAM. Cassette: $16.95.

Organize and record checking transactions: check or deposit number, description or comment, date, classification code (groceries, entertainment), and amount. Checking balance is computed. Sort and recall transactions by date, description, and classification. A real help at tax preparation time. Store up to 1000 transactions on a single C-60 cassette.

Z-West
Checkbook Helper
16K RAM. Cassette: $4.95 plus $1 s&h.

The computer steps you through the program asking for information necessary to examine your checking balance; informs you of any error or balance of your account.

ZX-Panding, Ltd.
Checkbook, Income Tax, and Budget Organizer
16K RAM. $13.75 plus $1.25 s&h.

Ten jobs in a menu-driven format. Checks and deposits are totaled and itemized under user-defined categories for budget planning and income tax preparation. Makes checkbook balancing easy and 90 transactions can be manipulated at one time with 16K.

Inventories

American Micro Products, Inc.
Home Inventory
16K RAM. Cassette: $17.95.

A specialized database routine for keeping an inventory of household possessions. Allow the user to search the files for a particular item or to list all items with a value above a specified value.

Asia Tsucho Co., Ltd.
Data Putting
16K RAM. Cassette: $12.

Outputs distribution ratio of the total by grouping every and all the data input; displays a linear graph of the ratio. Especially suitable for uses such as calculating the amount sold, the purchasing cost, and expenses.

Bug-Byte Software
Multifile
16K RAM. Cassette: £17.50.

Versatile, multipurpose filing system. Number, size, and headings of files are user-definable. Create, modify, replace.

Russell Brewer
Fast-file
16K RAM. Cassette and instructions: $9.95 plus $1.50 s&h.

New time and space saving menu driven filing system for the TS1000/ZX81. Unused portion of the file is not saved or loaded, but is still available to the user. Fast machine code searching, comprehensive machine code editing.

John B. Carson, Jr.
U.S. Savings Bond Listing
16K RAM. Listing: $2.50.

Lists series, issue date, serial number, and denomination for 25 bonds. Edit functions permit: add/delete, make changes, increase/decrease the total number of bonds listed.

Data-Assette
Inventory Control
16K, 32K, 48K, 64K RAM. $19.95.

Programmed to work with our ZX99 Tape Control System or as a stand alone, this program allows stock control of units and of values with separate routines for receipts and returns or sales and shipments. SORT by code or alpha name. Quick access to stock levels.

Gladstone
Inventory Control and Stock Analysis (D23)
16K RAM. Cassette: $19.95.

First in a series. Stock control of units and values, separate routines for receipts, returns, sales, shipments, adjustments in units and values. Uses average cost for inventory value and shipments. SORT by code or alpha name. New feature will allow expansion for 32K or 64K RAM.

Heath Computer Services
Inventory (1) (SBG-56834).
16K RAM. Cassette: $9.95.

May be used for everything from keeping an accurate inventory for your business, to your personal record collection; holds up to 150 items with comments for each; comments may be serial numbers, dates, prices, or location; list all items, searches for single item, change or delete any item; print list of items.

Inventory (1) (SBG-56835).
64K RAM. Cassette: $9.95.

May be used for everything from keeping an accurate inventory for your business, to your personal record collection; holds up to 300 items (no comments); list all items, searches for single item, change or delete any item, print list of items and quantities.

Sales File (SBG-56831).
16K RAM. Cassette: $19.95.

Holds 150 products w/wholesale and retail prices; totals wholesale and retail prices; holds up to 25 accounts; records inventory automatically or manually; keeps running total of sales tax. Cash register mode identifies, totals, and adds sales tax while automatically keeping records for your bookkeeping. Prints list of products, accounts, inventory.

Sales File (SBG-56832).
64K RAM. Cassette: $19.95.

Holds 600 products w/wholesale and retail prices; totals wholesale and retail prices; holds up to 100 accounts; records inventory automatically or manually; keeps running total of sales tax. Cash register mode identifies, totals, and adds sales tax while automatically keeping records for your bookkeeping. Prints list of products, accounts, inventory and sales receipts.

M. C. Hoffman Co.
Universal Inventory File
16K RAM. Cassette and manual: $16.95.

User creates file headings following prompts. Auto-RUN/SAVE. Menu format. Two ways to search, add/delete, check, and more. Make hundreds of useful programs with this filing system.

Universal Record Album Collection
Universal Baseball Card Collection
Universal Stamp Collection
Universal Coin Collection
Universal Comic Book Collection
Universal Mailing List
16K RAM. Cassette and manual: $10.95 plus $1.50 s&h.

Kopak Creations, Inc.
The Stamp Collector

Using your TS1000 you can inventory up to 600 Scott numbers in a single session showing quantity on your hand, by major classification.

Inventory
16K RAM. Cassette: $19.95.

Automatic Overstock/Understock detection, Automatic Print, Mathematical Calculations also done at user command, Search for an item, delete,add a new item, input a new inventory list.

Autofile
16K RAM. Cassette: $19.95.

Electronic filing system: allows you to set up your own database.

D. Lipinski Software
Inven
16K RAM. Cassette: $10.

Total inventory accounting program for quantity purchased, sold, balance on hand, cost, replacement costs and accrued values. Search or change item by description, category or stock number. Complete list to screen or printer. A description of 32 characters and stock number of 3 digits has 103 entries in 16K RAM.

List
16K RAM. Cassette: $10.

A data entry and retrieval program for groups of information. List up to 4 categories of your choice. View, add, delete, print or mass search any info in any and all categories. A 16K RAM will yield 150 entries with 8000 characters in the field but may be expanded if you have more memory.

Stock
16K RAM. Cassette: $10.

Keep count of items. Add, delete, search, change items by description, item number or category. Complete list to screen or printer. With 16K RAM & having an average description of 32 character and a 3 digit item number you would have 197 items. A 20 character average would be 265 items.

Management Services Co.
SYSDTA
16K RAM. Cassette: $9.95 pp.

Comprehensive 1K machine code input routine as on large commercial computers. Input from anywhere on the display. Easy user interface through one string variable and GOSUB. Data types entered, validated, and displayed including strings, numerics, compacted numerics, dates, and verify prompt.

Mindware Inc.
From Eagle Sales
Inventory Control
16K RAM. Cassette: $22.95 plus s&h.

2 programs. Stock I: Keeps track of 400 line items, with product names and descriptions, unit prices, supplier codes, stock levels, and reorder points. Changes in prices, codes, and deletions easily done. Provides alphanumeric list of items or breakdown by type of supplier. Stock II: A simpler program that allows for 2000 items. Updates on both programs take only seconds. By Hilderbray Ltd.

Forecasting and Graphs
16K RAM. Cassette: $22.95 plus s&h.

Takes raw data, and projects sales, profits, inflation, and other trends. Computes a moving average that smooths out seasonal and random fluctuations. Stores up to 15 time series of 60 periods each. Analyzes growth rates, correlates 2 separate trends, computes mean and standard deviation. Results can be displayed in graph form.

The Fast One
16K RAM. Cassette: $24.95 plus s&h.

A computerized filing cabinet. Stores, keeps track of, and instantly retrieves all kinds of data, e.g., mailing lists, inventories, personal finances, recipes, collectables, club membership lists. Data records can be updated and searched quickly. Instructions; requires no special computer training. By Campbell Systems.

Orbyte Software
Home Inventory
16K RAM. Cassette: $14.95.

List all your household inventory. Maintain up to date valuation of all assets. Useful for insurance purposes. Small businesses can keep current summary of inventory. Ability to log categories, descriptions, inventory numbers, current and replacement costs, remarks.

A Parsons
Stockbook
16K RAM. Cassette: $19.95.

Written by experienced business user. Keep records of 400 lines of stock, quantities of up to 255 cost and selling prices of up to $655. Stock levels adjust as subs are entered, Prints stock tickets and full stock list. Plus supporting programs. Printer needed.

Practical Computer Products
Graphpak.
16K RAM. Cassette: $14.95.

Visually represents statistical data with line graphs, pie charts, vertical bar graphs, and area graphs. Printer compatible and fully listable. Useful for lab analysis and great for business and home statistics.

R. A. Tec.
Inventory (BIOIO)
16K RAM. Cassette: $13.

Keep track of your inventory; holds up to 300 items per tape. Each item includes: name, code number, quantity, and 2 vendors. Menu and INKEY$ driven.

M. Sieder
Inventory (16-106)
16K RAM. Cassette: $15; listing: $2.

30 identifiable items and numbers plus 10 entries each, instant balance, inventory listings with total movement/item, transfer of balances and printout.

M A Smith
Business Stock Control Program
Spectrum 48K. £19.50 pp. Sterling Money Order.

Menu driven routines include initial stock set up, financial summary, MIN/MAX levels, update/add/delete facilities. Coding data schedule.

Support Systems One
ICP/1
16K RAM. $15.95.

Inventory Control, totally menu driven, auto run, nine pre-selected data fields in one file. Features: Auto filesearch, file creation, file deletion, change data fields, interactive receive and shipment programs, item sales history to date; up to 200 files.

Syber, Inc.
Spectrex
16K RAM. Cassette: $15.95.

Creates true perspective drawings from user defined data points; viewing angles may be changed at will; data is entered only once and is maintained by resident file manager.

SyncMaster
Insurance Records
16K RAM. Cassette: $14.95 + $1 s&h.

Complete record-keeping of household/business belongings. Keeps track of costs, dates purchased, descriptions, serial numbers, assessed values, etc. Combine with photos of small items for complete recovery in case of fire or burglary. Multi-tape capability if needed.

Timeworks, Inc.
Data Master. (1307).
16K RAM. Cassette: $14.95.

This general information storage and retrieval system makes index cards and messy files obsolete. Store information on such subjects as: Christmas card lists, recipes, club lists, client lists, vendor lists. For reference, information can be recalled by name, date, amounts, etc.

The Insurance Property Record. (1303).
16K RAM. Cassette: $14.95.

Protect yourself against unnecessary property loss by organizing and cataloging your possessions. Information stored includes item description, serial number, cost, purchase date, store where purchased, and location of item. Items can be recalled by any of these categories. Store up to 1000 items on a single C-60 cassette.

The Collector’s Companion. (1302).
16K RAM. Cassette: $14.95.

Organize and catalog your collectibles by description (name, serial number, code number), cost, current value, insured amount, and purchase date. System automatically calculates appreciated value and tells you which items are underinsured. Retrieve by category. Store up to 1000 items on a single C-60 cassette.

UAS
Library. (C1001).
16K RAM. Cassette: $6.95.

Organize your books and magazine articles by subject, location, author, title, and also have a key word or phrase search. You can choose the search that you want for each item.

Thomas B. Woods
ZX Data Finder
16K RAM. Listing: $9.95.

A high capacity information storage and retrieval tool. 2 ways to search, full edit control, documentation gives a line-by-line explanation of how the program works and analyzes functions necessary for good data base design.

ZX Pro-File
16K RAM. Cassette: $19.95.

Machine language data base. Store up to 12000 characters in files of any length. Single or multi-word cross searches, extensive edit and display functions. Manual.

Eric Yruegas
Record Keeping
2K RAM or more. Listing: $2; cassette: $5. SASE.

Keeps track of items in home. Room for comments (serial numbers, location, etc.).

ZX-Panding, Ltd.
Data Storage and Display System
16K RAM. $14.75 plus $1.25 s&h.

Stores up to 60 data points in up to 25 files under user-defined titles. Data can be recalled in either a tabular form or as a solid graph with a data summary table.

Appointments

CRC Software
Bill Master
16K RAM. Cassette: $12.95.

Tells you with blinking calendar your financial timetable. Tracks paid and unpaid bills with subtotals and totals.

Appointment Planner
16K RAM. Cassette: $12.95.

Keeps track of all your appointments. Lets you list out your appointments by day, month, or you can search for any appointment. Includes any year perpetual calendar. Dates on which you have any appointments blink.

H & H Electronics
Memo Board
16K RAM. Cassette: $9.95 plus 75¢ s&h.

This program may be used as a message center in your home or as a way to send messages to your friends with a ZX/TS computer. Easy to use program includes scrolling display and full editing functions.

Heath Computer Services
Appointment Calendar (SBG-568310).
16K RAM. Cassette: $9.95.

May be used for everything from reminding you of birthdays to business appointments. Enter the date and list up to (8) appointments per day for up to (31) days; change or delete any appointment; prints a list of appointments for the day or month.

Intercomputer Inc.
Occasion Calendar (HM5004)
16K RAM. Cassette: $14.95.

Keep track of birthdays, anniversaries, meetings, and all other special events. Check ahead a day, week, or month at a time and not miss any occasion that might otherwise have been forgotton. Record special notes, such as gift preferences, which will appear alongside each list.

Bill Organizer (HM5001)
16K RAM. Cassette: $14.95.

Keeps track of all your bills, stores amounts and dates due, minimum payments, and finance charges. Schedule your payments by computer as it organizes your bills according to due dates. Summarizes and totals all bills from the same vendor and displays your annual costs, e.g., electric, at the end of the year. Tax deductible finance charges are also totalled.

M. Sieder
Tele Memo (16-201)
16K RAM. Cassette: $15; listing: $2.

15 memos of 500 bytes each, plus date, address, subject and signature for storage, telephone transmission and printout.

Simulsion
Appointment Calendar
16K RAM. Cassette: $9.95.

Keeps memos for any date this century. Produces a full screen calendar for any month with appointments highlighted. Type the appointment day, and the memo appears. Appointments can be easily added, updated, and cleared. 2nd program: Telephone Address and Mailing List: Recall entries by name or category (e.g., Christmas list, Bills).

SyncMaster
Yearly Datebook
16K RAM. Cassette: $14.95 + $1 s&h.

Keep track of important, long range dates with this easy to use program. Enter dates for family birthdays, anniversaries, insurance payments, etc. Add full descriptions. As each month begins, list by date, month, or year.

Timeworks, Inc.
Forget-Me-Not. (1306).
16K RAM. Cassette: $14.95.

Birthdays, anniversaries, and special occasions are important to remember, but sometimes forgotten. You can now have all noteworthy dates easily within reach with the push of a button. Dates can be sorted and recalled by classification. Record a dentist appointment, project deadline, or your boss’s birthday to be recalled daily, weekly, or monthly.

Word Processing

Aerco
WP-1 Word processor package.
16K RAM min. $15.

Facilitates preparation of documents and handles any size printer. Provides blinking cursor, keyboard features, insert/delete, tab, etc.

Barlog Software
Texter
16K RAM. Cassette: $7.

This text editor allows you to store up to 400 lines of text ZX Printer compatible. The 16K version will handle 64K RAM (or whatever you have) with little modifications. Instructions included. Listing: $2.

Custom Electronics Device Corp.
Word Processor

Enter text line by line or a paragraph at a time. Edit function allows editing in any way on each line. Shift a line position one space at a time, left or right, center lines. Tab feature. Write for details.

P. Hargrave
Word Sinc
16K or more RAM. Cassette: $12.50.

A word processor for the Sinclair, or other 32 column, printer. Holds 9,000 characters with 16K. Easily expanded for larger memories. Menu controlled. Full screen cursor control for changes and corrections. Fast machine code routines to insert variables, move, list, and justify the text. Instructions.

Kopak Creations, Inc.
Wordfix
16K RAM. Cassette: $19.95.

A word processing program.

Management Services Co.
SYSDOC
16-64K RAM. Cassette: $9.95 pp.

Word processor. A full function text editor featuring: totally menu driven selector; user defined file size; over 11,000 characters for text on 16K; edit, move, and delete text; positionable tabs for text alignment; continuously updated text display; comprehensive documentation.

Maranatha
Text Processor

Fast mode operation for quickness. WRITE, EDIT, DISPLAY, SAVE or LPRINT your text. Specify 16, 32, 48, or 64K RAM.

Mindware Inc.
From Eagle Sales
Z-Text
16K RAM. Cassette: $19.95 plus s&h.

A word processing program to edit your written text. Justifies margins, allows revision and replacement of any part of the text; excellent for form letters. Displays up to 32 characters per line and 22 lines of text and will move text up and down rapidly. Sets up page formats and searches for key words.

Peak
Text & Prodir
16K RAM. Cassette: $10.

Edit and save pages of letters, address books, etc. with Text. Recall pages without splitting words at the end of a line.

Text can be used with your printer. PRODIR is a programmed directory to organize your programs and ease loading.

Textii
16K RAM. Cassette: $20.

Edit and save pages of any text without splitting words. Has an adjustable number of characters per line to accomodate any printer. Includes PRODIR to organize programs and ease loading, a search to locate words and a line renumbering routine for easy insertions.

Soft Way
Text Tape 2
16K RAM. Cassette: $10.95.

BOOK: Edit-Tab/Transfer/Review/LPrint/Save. 20 pages. LIST: Edit/Save/Search/Review. 2500 items. A-Z: Alpha-Numeric Sort with Save.

SyncMaster
Vu-Write Text Editor
16K RAM. Cassette: $14.95 + $1 s&h.

Easily document spreadsheets and other programs with full insert, delete, move, and print text. Completely menu-driven, 11K free RAM for documents. Define file size, set tabs and start writing. Complete documentation on cassette.

Miscellaneous Programs

American Micro Products, Inc.
Home Brewing
16K RAM. Cassette: $17.95.

Teaches the user to brew beer at home. Instruction includes: equipment, procedures, ingredients, and recipes. The program takes the user from preparing the wort to the final racking of the beer in a stepwise and logical progressing.

Apropos Technology
Dr. Floyd
16K RAM. Cassette: $10. pp.

Psychoanalysis by Computer? Well not quite, but Dr. Floyd will carry on a conversation with you using psychoanalytic techniques, giving the appearance of artificial intelligence.

Banta Software
Beam Design
16K RAM. Cassette: $19.95.

Calculates shear force and moment diagrams for statistically determinent beams with concentrated and uniform loads; finds normal and shear stresses for given section or section modulus for a given section.

Pipe Flow
16K RAM. Cassette: $19.95.

Calculates the Reynolds number and friction factor for a given flow condition and finds the head loss in piping systems which include straight pipe, bends, valves, contractions, and enlargements.

Home Heating Costs
16K RAM. Cassette: $6.95.

An analysis of effects of types and amount of insulation, building size and configuration, climate, and various fuel costs. See what you really can save by using alternative fuels for all or part of your building.

Computer-Wear Software
Demo
16K RAM. Cassette.

A software package for all Timex/Sinclair 1000 Retailers, distributors, and marketing managers. Demo is not for retail sale but was designed specifically to help sell more merchandise for you. Your TS1000 with 16K RAM can now be your best salesperson. Contact us for free details, prices, quantity discounts.

Verlin K. Cross
10 Programs for the ZX81
Food Programs: $5 each; all others: $3 each.

Examples of input/output and instructions. 6 on statistics: Student, Paired Observations, Correlation, Linear Regres- Regression, Analysis of Variance, and Chi Squared. 4 on Fish Hatchery Management: 2 on Fish Food Order and Daily Feed Programs (one for rainbow trout; one for cutthroat trout), Fish Hatchery Records; Flow and Density Index Calculations.

Evansoft Associates
Runners’ Programs:
Pace and Splits Calculator. (R10).
Runner’s Log. (R20).
First Marathon Training Planner. (R35).
16K RAM. Cassette: $7.95 each; 2K RAM versions: $5.95 each.

Executive Workshop
The Ultimate Forecast
16K RAM $4.95.

Forecast your personal or business future with Tarot Cards, shuffled and dealt by your computer. Shows the position and significance of each card, name of the card, and if the card is reversed.

Pro Football Forecast
16K RAM. $4.95.

Measures each team on 16 points including, coaching, weather, injuries, etc. Lists selected winner and expected point spread. Successfully picked all NFL playoff games this year within 2 points—but totally missed the Super Bowl. *Free with purchase of any 3 other programs.

Gladstone
Program of Days (Z45)
16K RAM. Cassette: $11.95.

A historical databank. Organized to provide insight and information regarding historical events. Find out what famous persons and events occurred on your birthday.

Project Scheduler and Proposal Sheet (Z50)
16K RAM. Cassette: $14.95.

Project Scheduler: Record project est. hrs., hrs. to date, remaining hrs., billing rate, employees involved; display amount billed, current billing, estimated billing remaining. Proposal Sheet: Record work items and hours; hourly billing rates; display overheads, material costs, labor totals.

Signals and Morse Codes (Z57)
16K RAM. Cassette: $14.95.

Learn and practice Semaphore, Blinker Lights, and Morse Code (including sound). For each code you can see or hear the numbers and alphabet in order or any number or letter you choose. You can receive random letters or numbers and messages and be tested on any of the codes. Use the messages and tests in the program or insert your own.

Weight Control Diet Program (Z47)
16K RAM. Cassette: $29.95.

Helps gain control over eating program; not a diet, but an individually tailored, systematic weight loss program. Uses a Personal Status Assessment with the computer as your monitor and feedback system. Track yourself against your model. Weight Control Guide Book gives instructions. Personal data tape for monitoring progress is supplied.

Just Drop in Software
Program tapes
2K RAM. Cassettes: $14.95 pp. each.

Specializes in software for the TS1000 without additional memory. Tapes with programs duplicated on side two; minimum of 5 different programs per tape. Titles include: Address Book, Bank, Anti-Ballistic Missile, Blackjack, Slot Machine, Hangman, Lunar Lander, and more.

Wm. Maples
Stopwatch
1K RAM. Listing: $1.50 pp.

Times events to 9 1/2 minutes in length; accurate to 1/10 sec.

ABC, Etcetera
2K RAM min. Listing: $1.59 pp.

Alphabetizes lists of names, titles, terms, etc. 20 characters long. Length of list: 65 for 2K RAM, add 50 for each additional K. 700 maximum.

Mindware Inc.
From Eagle Sales
Critical Path
16K RAM. Cassette: $19.95 plus s&h.

Picks out the steps in a project that could become bottlenecks, monitors costs, spots effects of delays. Some steps must be completed before the next can begin; others can be delayed without slowing up the project as a whole. Applications include construction, manufacturing, marketing, public administration, and many other. By Hilderbray Ltd.

Orbyte Software
Running
16K RAM. Cassette: $18.95.

A computerized guide to running. Computes all information necessary for a personalized, well-rounded running schedule. Advice on diets, exercises, equipment. Helps solve problems common to the sport, keep a “running log” of your progress, stabilize the level you have already attained, and coach you in building to higher levels, even to marathon status.

P&B Software
Espanol
16K RAM. Cassette: $9.95.

English-Spanish and Spanish-English bilingual dictionary. In addition to basic vocabulary, Espanol learns new words and phrases from the user and adds them to its own vocabulary.

Robill Products
Cypher 9
16K RAM. Cassette: $29.95 + $1.50 s&h.

Cypher 9 is a menu-driven, multifeatured cipher generator with encode/decode/scramble and two save options for secure communications. Frequency analysis is inhibited and convenient cipher changing allows security comparable to “one-time pads.”

Simulsion
Party Nibbles and Bites
16K RAM. Cassette: $9.95.

Peggy DeRose offers 12 easy, ultra-fast party recipes. Select a letter from the menu and a recipe instantly appears. Includes: bean, cheese, and salmon dips; a cheese ball; pigs-in-a-blanket; and more. Room to add your own variations and favorites.

Bartender’s Window
16K RAM. Cassette: $9.95.

A menu of drinks appears on the screen, offering an instant recipe mixing guide. Press the call-letter of any drink and its mixing directions immediately appear. Designed to overcome the problem of mixing drinks in dark places and to provide a stimulating answer to the question: Why is that computer sitting at the end of the bar? Program by Sean La Motte.

UAS
Job Jar. (C1012).
16K RAM. Cassette: $6.95.

Let your computer keep tabs on your odd jobs. Input the time you have available and the program will select a job for you to do. You can add or delete jobs from your own personal job jar.

Utilities Engineering
Steel Beam Design
16K RAM. Cassette: $29.

Calculates and displays the required Steel Beam (W-Section) based on input of Span, Load and Loading type.

Timber Beam Design
16K RAM. Cassette: $29.

Program calculates the Section Modulus and chooses timber beam to comply, then checks the Horizontal Shear of the selected Beam and revises if necessary.

Air Conditioning requirements of various types
16K RAM. Cassette: $29.

Program has data on 32 types of Buildings and calculates the Air Conditioning for input of Square Feet of Floor Area.

Bob Woish
Push Processing
2K RAM. Cassette: $3.95; listing: $2.95.

Use any black and white film at any A.S.A. rating. Simply enter manufacturer’s A.S.A. number and the A.S.A. used for exposure, and the computer outputs development information.

Zeta Software
Plane Frame
16K RAM. Cassette: $37.45.

An excellent tool for the professional engineer or an example of state-of-the-art matrix structural analysis for students. A typical database can contain 12 joints, 14 spans, and 7 sections.

Ham Radio Pak
16K RAM. Cassette: $24.45.

Special package which includes: 1) POLSAT: Calculates minute-by-minute aim-angles for polar orbiting comsats. 2) GEOSAT: Calculates the aim-angle to any of the geostationary comsats. 3) DISH: Calculates the plotting points for custom radio dishes.

Z-Games
Hamware
1K RAM: $2.

5 programs for ham radio operators. Covering circuit design AC and DC, Impudence, Frequency, and Antenna design.

ZX-Panding, Ltd.
Clocks and Timers
16K RAM. $3.75 plus $1.25 s&h.

Three separate programs in a menu-driven format: 1) Digital clock constantly displaying the time. 2) Count-up timer allowing the user to set the starting time, and 3) count-down timer with a moving visual display after time lapses. Displays military or conventional time.

Your Special Day
1K RAM. $3.75 plus $1.25 s&h.

Good example of using successive equations to answer a practical question. Enter any date in history and the ZX will tell you which day of the week it occurred on.

Anypoint Plotter
1K RAM. $3.75 plus $1.25 s&h.

Crunches any data to allow the best possible graph by readjusting the vertical coordinate to each set of data. A data summary will then follow including lowest and highest data points, data sum, and data mean.

The Economy Trio
1K RAM. $8.75 plus $1.25 s&h.

3 programs available on separate cassettes combined onto one cassette: Clocks and Timers, Your Special Day, and Anypoint Plotter.

Program Collections

Computer-Wear Software
2 Program Advertising Package
16K RAM. Cassette: $25.95 plus $1.50 s&h.

Run your next direct mail/space advertising campaign like Fortune 500 companies with this professional kit. Designed by an Advertising Director, these programs take the guesswork out of production, lists and mailing costs, quotas, risk summaries, P & L DATA BASES, advertising planning, evaluation and analysis.

Custom Electronics Device Corp.
5 Business Programs V.1.0.

Programs include: Business Forecasting: Uses moving average method. Ratio Analysis: Uses current ratio, net profit to sales, investment turnover, earnings on interest, inventory turnover. Break Even Analysis: Uses break down of costs. Try Before You Buy: Calculates monthly cost of owning a given item, including interest, upkeep, personal property tax, and other expected expenses.

D.S.B.C.
Programs for the Basic (2K) ZX81/TS1000
2K RAM. Cassette: $6.95.

9 programs designed to show what the basic computer can do. 5 moving graphic games, 4 practical programs. By listing to screen, shows many useful applications of the Basic language. A help for novice programmers.

Gladstone
Business Pac 1 (Z49)
16K RAM. Cassette: $29.95.

2 tapes with an instruction/applications manual and these programs: 1) Break Even Analysis. 2) Cash Flow Analysis. 3) Payback Analysis. 4) Internal Rate of Return. 5) Depreciation Analysis.

Lamo-Lem Laboratories
ZX81 Home Computer Package
1K RAM. Cassette: $9.95.

Four programs: Billboard: Scrolls a giant banner across the screen. Etch-a-Screen: Draws text & graphics in any direction. Checkbook Balancer: Keeps a running tabulation of your balance. Composer: Plays music as you press the keys. Manual, 2 keyboard overlays in color.

ZX80 Business Package
4K ROM; 1K RAM. Cassette: $9.95.

Three programs: Search and Save: Stores and retrieves keyed files on tape. VideoComp4: Manipulates 3 columns of 16 elements; performs integer operations on one element or an entire column. VideoGraph: Produces a bar graph from the VideoComp4 results. Manual, two reference cards, file record sheet, and color keyboard overlay.

ZX80 Home Computer Package
4K ROM; 1K RAM. Cassette: $9.95.

Package of 5 1K programs. Etch-a-Screen: Draws text and graphics. Calculator: Multiplies or divides to ten decimal places. Checkbook Balancer: Keeps a running tabulation of your account. Electronic Billboard: Bounces a message of giant letters across the screen. Music Composer: Plays back over a nearby radio; notes entered on keyboard. Includes keyboard overlays in color and more.

Orbyte Software
Execu-Soft
16K RAM. Cassettes: $128.

7 programs for the small business: Customer Credit File; General Ledger; Execu-Diary; Execu-Address and Phone File; Accounts Payable; Accounts Receivable; Inventory.

R. Panwar
Program 1: ADDR
16K RAM. Cassette: $19.95.

Multipurpose program for home and small business use. Stores and retrieves information by user defined codes. Stores 125 entries. Provides 3 fields of 1, 6, 84 character length; allows search by 1 or 6 characters. Used for lists of names, addresses, phone numbers.

Program 2: ACCR
16K RAM. Cassette: $19.95.

Similar to Program 1, but has 4 fields of 1, 6, 20, and 13 characters (for amount). 215 entries. Search 3 ways. Total for amount column. Many uses.

Simplex Software
Home Pac
16K RAM. Cassette: $19.95 Visa/MC.

20 programs inclding: Biorhythms, Comp-U-Sketch, Invader, Micro-Organ (music), Statistics, Regression, Checkbook Balancer, NPV, CAI, Kaleidoscreen, Animals, Renumber, Machine Language Monitor, Arithmetic Drills, and more. 21 page manual. Price above is for limited introductory offer.

Timeworks, Inc.
5-2K Family Pak. (1308).
16K RAM. Cassette: $14.95.

Five programs for day to day tasks: Memoboard: Serves as family message center. Checkbook Balancer: Simplifies reconciling your check book. Recipe Recorder: Stores up to 60 recipes on a C-60 cassette for easy recall at any time. Mini Money Manager: Helps you plan and track your household budget. Homework Helper: Turns your computer into a tool for math or science homework.

Taxes

Computer-Wear Software
1982 or 83 N.Y. State Tax
16K RAM. Cassette: $11.95 plus $1.50 s&h.

Fully-automatic/completely reliable program does N.Y. State/City taxes in minutes. Includes tax tables; all mathematical computations are done by your computer. Works for every filing status. Contains integral Standard Deduction routines. Pre-order next year’s on 11/83.

1983 Federal Tax Forms
16K RAM. Cassette: $11.95 plus $1.50 s&h.

Fully-automatic/completely reliable program does Federal Income Tax Forms. All mathematical computations are done by your computer. Works for every filing status. Contains several schedule forms. Information and pre-ordering next year’s after 11/83.

Ksoft
Tax Return Helper. 1982 ed.
16K RAM. Cassette: $14.

Set of 7 programs for Form 1040 and Schedules A, B, C, C1/C2, D, and E. Data is interactively entered/examined/modified and the results can be seen immediately. Performs all computations and even detects some errors. As in an electronic spread sheet, changes update all lines affected. Forms can be printed and/or saved on tape. Cost is deductible. ($7 for buyers of the 1981 edition.)

Orbyte Software
Income Taxes
16K RAM. Cassette: $16.95.

Income taxes contains all information necessary to guide you through the IRS forms. Step-by-step instructions. Does the mathematical calculations. Continuous updates allow the program to be used year after year.

Software Lab East
The Tax Helper Series
16K RAM.

The tax helper series uses artificial intelligence to assist the user to prepare common personal and small business tax forms. The programs ask the user questions and tell which amounts should be placed on each line of the tax form.

Thomas B. Woods
Sort
1K RAM. Listing: $3.

ZX/TS collating tool. Count and file 1000s of items in up to 29 categories with just 1K RAM. Listing and text provides an indepth review of Basic programming techniques. An instructional aid to beginning computerists as well as a useful home and office tool.

Address and Phone Lists

American Micro Products, Inc.
Address Book
16K RAM. Cassette: $17.95.

Allows the user tp create a database of up to fifty names, addresses, and telephone numbers. Search the database using names, telephone numbers, and zip codes as the search criteria.

Basco
Address File/Mailing List
16K RAM. Cassette: $10.

Menu driven program allows name, address, and 2 lines of misc. information. The file can be searched using any piece of known information. Name and address only can be sent to ZX printer and can be used to address envelopes. Ideal for home, clubs and small business mailings, telephone lists, Christmas cards, Customer lists, etc.

CRC Software
Little Black Book
16K RAM. Cassette: $9.95.

This program is the electronic name, address, and phone number software that turns your computer into a mailing list or instant name, address, and phone number retrieval system. Saves data on tape for permanent use.

Executive Workshop
Customer/Supplier File
16K RAM. $4.95.

Keeps track of 100 customers or suppliers, their phone numbers and two 18 character product code (or other) listings. Includes add or delete function; change phone number or product code listing.

H & H Electronics
Universal Address List
16K RAM. Cassette: $10.95 plus $1.25.

Menu driven, program includes locations for name, address, telephone, and an extra line for comments. Includes complete editing functions; before, and after entry. Some uses include: Xmas card list, telephone number of files.

Heath Computer Services
Mailing List. (SBG-56838).
16K RAM. Cassette: $9.95.

Holds up to 100 names, addresses, and telephone numbers; search by name, city, zip code, or phone number to find any address or phone number; sorts by name, city, or zip code in alphabetical or numerical order; lists names, changes or deletes; prints list of names or names and addresses or labels.

Mailing List. (SBG-56839).
64K RAM. Cassette: $9.95.

Holds up to 500 names, addresses, and telephone numbers; search by name, city, zip code, or phone number to find any address or phone number, sorts by name, city, or zip code in alphabetical or numerical order: lists names, changes or deletes, prints list of names or names and addresses or labels.

Intercomputer Inc.
Address Book (HM5003)
16K RAM. Cassette: $14.95.

Stores your entire address and phone list. Retrieves a list from partial, half-remembered information. Adds, changes, or deletes names. Will printout an entire list in alphabetical or zip code order, including mailing labels, in either order on a printer. Entries coded for special purposes, e.g., card list, will be printed by code.

R. A. Tec.
Address Book (BHBIO)
16K RAM. Cassette: $13.

Keep track of up to 100 names, addresses, and phone numbers per tape. Program is Menu and INKEY$ driven.

Smartware
ZX List
16K RAM. Cassette: $9.95.

This “mailing list/phone directory” program allows you to store the names, addresses, and phone numbers of up to one hundred people. Search for entries in a variety of ways.

Michael B. Williams
Information 1000
8K RAM or more. Cassette: $9.95.

Store a name, complete address, and phone number. Retrieve it later. Number of entries is limited only by free RAM. Provides search facility, output to printer, 10 options. Excellent for mailing lists.

Thomas B. Woods
ZX Phone Book
16K RAM. Listing: $4.95.

Directory holds 720 names; complete Add, Change, Delete functions, Auto-saving, and more. Documentation gives a thorough, easy to understand introduction to data base programming techniques.

Math and Science

Ako Tech
Statistical Programs
Listings: $1.50 each plus SASE.

Regression, ANOVA, Complete Block, Randomized Block, and Latin Squares.

Arizoftx
Linearsystems3.0
16K RAM. Cassette: $14.95 plus $2.00 s&h.

Solves set of linear system equations of up to twenty real-, or ten complex-valued unknowns. Uses Gaussian elimination with partial pivoting to minimize effects of roundoff error. Program returns measure of sensitivity of solution to element value perturbations. A sophisticated engineering quality program.

Linreg4.0
16K RAM. Cassette: $10.95 plus $2 s&h.

Accepts up to 99 pairs of data points and computes parameters of straight line having best Least-Mean-Square fit to data. Menu selected operations enter data, compute and display parameters, compute and display RMS error and correlation co-efficient, and calculate y-values from input x-values using linear equation.

Numerint4.0
16K RAM. Cassette: $14.95 plus $2 s&h.

An adaptive quadrature numerical integration routine based upon a Newton-Cotes eight panel formula. Subinterval sizes automatically adjust to meet accuracy requirements, thereby greatly enhancing the routines efficiency. User supplies integrand function as subroutine. Program returns indicator of solution reliability. A sophisticated engineering quality program.

AVC Software
Ionisation
16K RAM. Cassette: $6.

Plots ionisation energies for input groups /periods as required for chemistry courses. Important patterns are shown graphically. 10-12th grade.

Compucraft
SIFT I
2K RAM or more. $29.95 (introductory offer).

Sift I stands for Statistical Interactive system for the Timex/Sinclair 1000 and ZX81 computers, Vol I. Sixteen, 2K statistical routines such as: Linear and Multiple Linear Regression with transformations; One-Way, Two-way and Latin Square Analysis of Variance; and T-tests, plus other Non-Parametric two sample tests. A user’s manual (82 pages) with worked out examples and interpretation is included.

J. R. Carr
Z Q-1
16K RAM. Cassette: $16.

Calculates: 1) Ohm’s law for DC, X, Z, real and effective pwr and pwr factor. 2) X of C. 3) X of L. 4) X total. 5) Z series or parallel and phase angle. 6) Resources. 7) Circuit “Q” series or parallel, loaded or unloaded. 8) Circuit resistance at resources, series or parallel. 9) Solenoid coil design. In any routine, give it any two known quantities, and it will calculate the third.

Kimtech
Statistical Pac
16K RAM. $8.00.

The Pac consists of four programs plus documentation. These programs will perform chisquare (goodness of fit) calculations, analysis of a data set including hypothesis testing and confidence intervals, comparison of two data sets using hypothesis testing and confidence intervals, and simple linear regression including t-value and R².

Ksoft
TS-Art
16K RAM. Cassette: $12.95 (s&h: $1.50 U.S., $2.50 abroad).

A graphics program and a Logo-style educational tool that indirectly teaches concepts in arithmetic, geometry and computer science. Work with a pencil, eraser, about 120 brushes, a video inverser and a “flicker” by moving them in 8 directions or along circles and lines. Set any background. Define new graphics commands. Expand, compress or rotate. Save or print artwork.

Mindware Inc.
From Eagle Sales
Numeric
16K RAM. Cassette: $24.95 plus s&h.

All purpose mathematical tool for solving equations and plotting graphs: Handles any formula you can enter from the keyboard; plots the graph of any formula; solves simultaneous equations; solves right angles; calculates arithmetic mean and standard deviation for a single list of numbers; calculates means and deviations for two lists of numbers, plus coefficient of correlation between two lists. By R. Carey.

RCO Technical
Distacalc
16K RAM. Cassette: $9.95 plus $1 s&h.

Calculates great circle distance and heading from entered latitude and longitude data. File of 250 world cities is updated each time calculation is made on new point. Results given in statute miles, nautical miles, and kilometers. Ideal for radio amateurs and navigators. Instructions.

Soft Way
Math and Electronics Tape 1
16K RAM. Cassette: $14.95.

Geometry: Areas, Volumes, Perimeters of 22 shapes. Graphic trig: Plots X-Y Data, Prints Angles and Hypotenuses. Resonate circuits: Series and Parallel Calculations. Ohms law DC: Voltage, Amperage, Resistance and Power. PI and T Networks: Impedance Matching and Attenuators. Temperature conversion: Fahrenheit and Celsius. Returns Component Values in Response to your Data.

Math and Electronics
16K RAM. Cassette: $14.95.

6 programs. Resonate Circuits: Series and parallel calculations. Geometry: Areas, volumes, perimeters of 22 shapes. Graphic Trig: Plots X-Y data, prints angles and hypotenuses. Ohm’s Law (DC): Voltage, amperage, resistance, and power. PI and T Networks: Impedance matching and attenuators. Temperature Conversion: Fahrenheit and Celcius.

Spectra Computer Products
E.E.
16K RAM. Cassette: $15 plus $1 s&h. 2K version with each section available independently for 2K.

Electronics Engineering software for engineers, technicians, students, hobbyists who wish to learn to use these formulas: Includes Ohm’s law and its ramifications, conversion between ohms, amps, volts, watts, and power.

Support Systems One
ELF/1
16K RAM. $7.95.

Electrical/Electronic Formula Program One. With any two of the following: ampere, voltage, or wattage, the third unit of measurement can be found. Totally menu driven and auto run.

T-S Systems
Advanced Math
16/48K TS2000. Listing: $4 plus large SASE.

Allows you to use a complex multiplication of more than 2 digits.

UAS
Functional Analysis. (C5006).
16K RAM. Cassette: $8.95.

Given any function defined in a closed form, the program finds its maximums, minimums, and zeros over a given range of the argument. The function, its derivitive, or its integral may be evaluated at a point and tabulated over a range.

Zeta Software
RPN Calculator
16K RAM. Cassette: $17.45.

A scientific calculator emulation using reverse polish notation. Features include: 50 storage registers, a visible stack, statistical functions, and a key to save a calculation in progress.

Math Pak
16K RAM. Cassette: $52.45.

4 programs. Includes math routines and fit, variance analyzer, statistics, and rpn calculator.

Math Routines and FIT
16K RAM. Cassette: $17.45.

A general purpose mathematics program for calculating factorials, permutations, and combinations, for solving quadratic and cubic interpolations, and for plotting fitted curves of 4 different functions.

Variance Analyzer
16K RAM. Cassette: $17.45.

A data analysis program for examining 1- or 2-way AOV and 2-way AOCOV. Includes: degrees of freedom, sums of squares and products, and means.

Statistics
16K RAM. Cassette: $17.45.

Statistical analysis and data display. 1-variable with histogram or 2-or-more-variables with plot. Results include: sum, variance, standard deviation, error, means, skewness, and kurtosis.

Music and Sound

Bi-Pak Semiconductors
Zon X-81
1K RAM. $49.95 incl. airmail postage.

A self-contained sound unit to plug into your computer to give you a whole range of music sound or noise, 8 full octaves; uses 3 channel sound chip. Full instructions and programs supplied. British made.

Compusound
Telesound 84 $19.
Power supply; 3mA derived from computer modulator.

Enables any sound source such as the loudspeaker or sound effects from a home computer to be heard direct through an unmodified TV set. Three snap on connections inside the computer make fitting easy. Telesound 84 measures an incredible 1 x ¾ x ½ inches and comes complete with full fitting instructions. Dealer enquiries welcome.

DCP Microdevelopments Ltd.
DCP Speech Pack. £49.95.

Compact cased unit that plugs onto rear of ZX81 and gives speech output. Built-in vocabulary and simple to use single POKE commands to make it speak. Other word packs can plug in inside and other ZX addons can plug in the expansion port at rear of Speech Pack. Cased and assembled.

Evansoft Associates
Music Theory/Ear Training
2K RAM and 16K RAM. Send SASE for free catalog or $5.95 for sample.

Elementary music theory and ear training programs. Drill and practice, some tutorial, presented as games. Text, graphics, and sound generation are used in separate programs on note recognition, intervals, melodic dictation, etc.

Florida Creations-Dept. SBG
Music/Sounds on the Radio
1K RAM. $5.

This technical article describes how to broadcast sounds and music to a nearby radio using the natural radio interference generated by the Sinclair. No hardware modifications are required. Sample song and weird sounds listings included.

Gladstone
DCP Speech Pack (D80). $99.95.

Adds solid-state speech. Contains all the letters, numbers zero to over a million, and some general words. Uses POKE commands. Plugs into rear of computer and can be used with other accessories. Contains its own speaker, volume control, and external expansion addition. Word Pack ROMs plug into sockets inside to extend the vocabulary.

Horizon Simulations
Music Machine
1K RAM. Cassette: $5.

This program in machine language will play music through your television on your tape recorder. You play music by pressing the notes on the keyboard.

Hurricane Electronics
Arcade Master Sound Module
Assembled and tested: $59.95; kit: $52.95.

A self-contained plug-in module capable of creating almost any sound imaginable, or music in three part harmony. Two TTL I/O ports with mating connectors for Atari joysticks. Other applications: Security/monitor systems, auto. phone dialer, FSK and DTMF encoder, and more. Can be used with printer, 16K RAM pack, and most other modules.

Wm. Maples
Virtuoso
2K RAM min. Cassette: $6.95 pp. ($9.95 outside U.S.).

A versatile music synthesis program. Requires recorder, but no music knowledge.

Rave Research
Poly Port
Kit: $39.95; assembled: $49.95.

Plugs into back of computer. 6 I/O ports useful for many applications. 3 ports for our “Polyphonic System” for musical synthesizers. Depending on application, an output connector or cable may be needed.

Polyphonic System
2K RAM minimum. $49.95.

Includes Poly Port and Synthi Port.

Bach Box
Kit: $39.95; assembled: $49.95.

Plugs into back of computer. Hook up to any audio amplifier and start composing your own tunes. Pseudo-polyphonic output. Sample tune and full instructions included.

Musical Scales
2K RAM. Cassette: $8.95.
16K RAM. Cassette: $14.95.

Prints out the notes in any one of 8 scales on any key. 16K program also prints diagrams for guitar, bass guitar, and keyboards showing where each note is to be played and identifies the tonal notes.

Synthi Soft
2K RAM minimum. Cassette: $14.95.

Program for a polyphonic music system. Requires musical synthesizer and additional hardware. Unlimited expansion possible. Uses the computer’s keys as a synthesizer keyboard. MC. SASE for details.

Music Tape
2K RAM. Cassette: $9.95.

4 programs. One turns the Sinclair into a 2 octave musical instrument; sound comes from TV or (better) from mic jack plugged into audio amplifier. Musical Squares: 12 tone calculator. Chord Finder. Mini-invaders Game.

R.I.S.T. Inc.
The Parrot. $89.95.

A simple to use, plugin speech module capable of generating all 64 discrete sounds of spoken English. By combining these sounds (called allophones) in whatever order you choose, you can generate words, phrases, sentences, sound effects. Supplied with software on cassette enabling you to select, string together, and pronounce the sounds. Your programs can tell the Parrot what to say. Complete instructions and examples. Write or call for further information.

Nicholas Scarim
Music Theory Workbook.
16K RAM. $495.

Complete music theory workbook on 16 easy to load cassettes. Includes: treble, bass, and alto clefs; scales, keys, chords, meters, rhythm; piano, guitar, recorder drills. This package is for music teachers, schools, community art centers. It is not a teach yourself toy. Write for full details.

Simulsion
The Fantastic Music Machine and Light Show
2K RAM. Cassette: $9.95.

Two special effects programs. Music Composer: Transforms the keyboard into a 3-octave musical instrument that plays music through your TV as you press the keys; stores, edits, and plays back 400 notes (7000 with 16K RAM); has tone, tempo, and special effects keys. Light Show: Animates a kaleidoscope pattern that races outward from the center of the screen.

Sinclair Place
Big Ears. $99.

Speech recognition. Connects through I/O port. Microphone and cables included. Words are stored as voice patterns which the system learns from repetition. Voiceprints occupy about 150 bytes each. From William Stuart Systems.

Music Synthesizer and I/O Port. $68.

Plugs between computer and RAM pack. Independently programmable. Tone generators 20Hz-100KHz. Noise generator programmable from “sub-pink” to super “white.” I/O is arranged as two 8-bit bidirectional ports. Required for other Stuart Units. Uncased. From William Stuart Systems.

Fastload. $19.50.

A program to speed the “learning” of Big Ears. From William Stuart Systems.

Speech Synthesizer. $99.

Self-contained, including amplifier, speaker, and bidirectional computer interface so other addons may be used. Has jack to external speakers if desired. Plugs into rear connector. Uses phonemes to build up words. Average of 6 bytes will store the phoneme codes for a spoken word. From William Stuart Systems.

Music Composer Program. $19.50.

Helps write and save music programs. May be used with or without Music Synthesizer and I/O Port. From William Stuart Systems.

Syber, Inc.
Voxcome
16K RAM. Cassette: $15.95.

Computer generated speech with resident vocabulary and complete set of allophones to create unlimited phrases and sentences; useful for integration into your own programs or for recording computer generated messages for an automatic phone answering system.

Thurnall Electronics
Sound Unit. POA.

Programmable sound unit with built in loudspeaker, allow programmable generation of a whole range of rounds from music to special effects.