Mechanical Design Programs
Solutions of machine design problems.
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Timex/Sinclair 1000
Z-80 Software Notebook
More than 25 useful techniques, utilities and programs. Sorting, timing loops, searches, block transfers and more. Complete Z80 instruction set fully explained and listed.
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Graphics Software
Draw circles, squares, rectangles, ellipses, arcs, lines. Symmetry selectable. Routines can be used in own programs. 16K.
ST-50 Buffered Motherboard
Expansion base for Sigma Technology modules.
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TS/VIC-20 Bible Pack
Design/build any peripheral imaginable. Includes cassettes.
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Weather Forecaster
Requires barometer. Forecast 36 hours in advance. 16K.
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