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 | Calculates point of balance, beam lengths, weights, etc. | Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068 |
| BASIC Renumber | Automatically renumbers programs written in BASIC. You choose starting line number and line increment. | Timex/Sinclair 2068 |
| Belt and Chain Drives | 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 | 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 | 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 | 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 | 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 | 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 | Solves for three most common types for forces, fulcrum point, lever length and more. | Sinclair QL, Timex/Sinclair 2068 |
| Math UDGs | Now you can have fractions and Greek letters (those not already in the alphabet) for your math programs. | Timex/Sinclair 2068 |
| Oblique Trigonometry | Solves all non-right angle trigonometry. | Sinclair QL, Timex/Sinclair 2068 |
| Pulleys and Wheels | Finds the required force, diameters, lift, weights, etc. | Sinclair QL, Timex/Sinclair 2068 |
| Spur Gear Drives | 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 | Tutorial, multiple choice. | Timex/Sinclair 2068 |
| Terror from Mars | 1939 Earth technology struggles to repel Martian invasion. | Timex/Sinclair 2068 |
| Trigonometry | Solves right triangle problems fast. | Sinclair QL, Timex/Sinclair 1000, Timex/Sinclair 2068 |
| Weight Calculations | 25 metals, 11 woods, 11 other materials. Varied shapes in all sizes. Fast answers. | Sinclair QL, Timex/Sinclair 2068 |
| Wire and Metal Rod | Calculate quantities, costs, weights. | Sinclair QL, Timex/Sinclair 2068 |
Books
Periodicals
Documents
Downloads
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 | Updates on products and services from vendors. | |
| Letters | ||
| Supplier News | Timex/Sinclair 1000, Timex/Sinclair 2068 |
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