Frank Lockhart

Shelby, NC 28150

Frank was a design engineer who wrote software that drew on his 25 years of experience at E. I. DuPont, Western Electric, IBM, Duracell and more.

Products

Name	Description	Computers
Balance Frank Lockhart	Calculates point of balance, beam lengths, weights, etc.	Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068
BASIC Renumber Frank Lockhart	Automatically renumbers programs written in BASIC. You choose starting line number and line increment.	Timex/Sinclair 2068
Belt and Chain Drives Frank Lockhart	Gives 9 important answers fast. Finds tangents, angles, pitch lengths, arc of contact, ratios, etc.	Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068
Chord/Curve Frank Lockhart	Finds radius, angle, arc and chord lengths, sector and segment areas. Gives angle in degrees and radians.	Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068
Conversions/Functions Frank Lockhart	Converts decimal degrees to degrees-minutes-seconds plus radians, grads. Gives six trigonometry functions for each input. Answers in one second.	Sinclair QL, Timex/Sinclair 2068
Game Board Frank Lockhart	It’s you against the computer. It picks a secret number, from 1 to 6. You must guess it to move 1 to 24 spaces. Can you go around the board in 75 tries?	Timex/Sinclair 2068
Graphics Designer Frank Lockhart	Design your own custom graphics for use in games, business, technical programs. Tutorial. Takes the mystery out of creating your own user defined graphics.	Timex/Sinclair 2068
Guess the Number Frank Lockhart	Computer generates a secret number from 1 to 99. Tells player if guess is high or low. Plays tune on correct guess.	Timex/Sinclair 2068
Levers Frank Lockhart	Solves for three most common types for forces, fulcrum point, lever length and more.	Sinclair QL, Timex/Sinclair 2068
Math UDGs Frank Lockhart	Now you can have fractions and Greek letters (those not already in the alphabet) for your math programs.	Timex/Sinclair 2068
Oblique Trigonometry Frank Lockhart	Solves all non-right angle trigonometry.	Sinclair QL, Timex/Sinclair 2068
Pulleys and Wheels Frank Lockhart	Finds the required force, diameters, lift, weights, etc.	Sinclair QL, Timex/Sinclair 2068
Spur Gear Drives Frank Lockhart	Calculates gear sizes, number of teeth, ratios and more. Gives 14 answers in two seconds.	Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068
State Capitols Frank Lockhart	Tutorial, multiple choice.	Timex/Sinclair 2068
Terror from Mars Frank Lockhart	1939 Earth technology struggles to repel Martian invasion.	Timex/Sinclair 2068
Trigonometry Frank Lockhart	Solves right triangle problems fast.	Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068
Weight Calculations Frank Lockhart	25 metals, 11 woods, 11 other materials. Varied shapes in all sizes. Fast answers.	Sinclair QL, Timex/Sinclair 2068
Wire and Metal Rod Frank Lockhart	Calculate quantities, costs, weights.	Sinclair QL, Timex/Sinclair 2068

Documents

Title	Description	Computers
Frank Lockhart Price List	Lists of engineering programs and games for the Timex Sinclair 1000, Timex Sinclair 2068 and Sinclair QL.	Timex/Sinclair 1000, Timex/Sinclair 2068

Articles

Title	Description	Computers
Bits and Pieces	News about Sinclair Research Ltd., two Timex-based BBSes join FidoNet, SOFTAID fundraising cassette, update on Timex Portugal. Shorter updates on MSCRIPT, RMG Enterprises, an RS-232 interface from Edward Loxterkamp, speech software from Tad Painter, software from Frank Lockhart, Jim Clatfelter and Peter McMullin.
Latest Vendor News	A & J Microdrive has recently reduced prices on their Model 2000 stringy floppy. The system now is $149.50 with the second drive at $99.50. A cable and software to drive a parallel printer is now at $24.50. Their print driver software will now LPRINT, LLIST, and COPY. Robotron Industries Inc. is now selling an
Letters
Supplier News		Timex/Sinclair 1000, Timex/Sinclair 2068

Tags