The children are screaming, the sun is roasting, it is a perfect day for the beach. You are the budding entrepreneur on the lemonade stand, trying to outsell your rivals and lay the foundations of a fast food empire. You start with capital of $50 and have to decide how much to spend on advertising,
Program Printout: Lemonade Read More »
Most computer games require nothing except a quick finger on the cursor key. Most of the rest, those which require a bit of brain power, are adaptations of games when the word computer meant a person with an abacus. London Bridge is one of the few routines we have seen which is original, was written
Program Printout: London Bridge Read More »
Poisson’s formula is a method of calculating the possibilities of recurrence of an event, based on a number of occurrences in the past. For this listing, the time should be adjusted so that the number of occurrences is in the range 3 to 12. The range could be extended upwards if required, but 2 has
Program Printout: Probability Read More »
Beethoven is a remarkable program which allows you to produce music from your T/S1000/ZX81. Stephane Crainic of Paris has linked hex values to the tones available from the speaker of your television set and has produced a table allowing you to convert the notes of the musical scale into those values. When you have typed
Program Printout: Beethoven Read More »
Chicago’s James P. Biers has discovered that his T/S1000 is a slide rule, calculator, desk-top planner, and more; and looks at business software.
A personal computer with many office applications Read More »
If you get the chance, look inside an IBM PC. You’ll see acres of board covered with countless chips, resistors, capacitors and the like. It all looks very mysterious and impressive. Instead of staring open-mouthed in awe and dreaming wistfully of the day you own one, comfort yourself with the knowledge that your seemingly lowly
Inside the T/S1000, ZX81 Read More »
Part one of our step by step guide to help turn every one of you users out there into expert programmers. Any programs written by beginners to computing show a lack of what professionals call structure. The structure of a program is the way in which it is put together and the order in which
Let the structure flow and you are well on the way Read More »
Professor Ian Stewart is with the University of Warwick, England, while co-author Robin Jones is with the computer unit at the South Kent College of Technology, England. What kind of a book can we expect from two obviously intelligent gentlemen with a great knowledge of computers? Your first thought is a dry, dull, routine book
This book is clear, witty, useful Read More »
The lack of an author’s name on Machine Language Programming Made Simple For Your Sinclair ZX-80 and ZX-81 indicates it may have been prepared by a committee. We decided the author was probably a comic art character used throughout the book to enliven the text. Dressed in a court jester’s outfit, wearing a CPU chip
Machine language simplified Read More »
Programming on the T/S1000/ZX81 can be frustrating. These 10 tips should help you get over some of the problems! For our first issue of Timex Sinclair User, we went to dealers, publishers and users for the most often asked questions about the T/S1000,ZX81. These questions and our answers are the contents of this column this
Follow our golden rules for better SAVEs and LOADs Read More »
Buying a T/S1000/ZX81 can be the start of a lifetime obsession with home computing. It is easy, however, to become discouraged if everything does not work according to the manual. For those with only a little knowledge of computers a riti their capabilities, the best way to approach the T/S10QUZX81 is to abandon any ideas
Lifetime’s obsession can easily be acquired Read More »
