788 Mercury Circle, Littleton, CO 80124
Products
Lunar Lander and more. 8 programs. 1K.
ZX81 TS 1000
One program from each of the other 9 tapes. 1K.
ZX81 TS 1000
Calorie computing and more. 8 programs. 1K.
ZX81 TS 1000
House security, more. 8 programs. 1K.
ZX81 TS 1000
Salary, markup percentage, more. 8 programs. 1K.
ZX81 TS 1000
Drills for all ages. 8 programs. 1K.
ZX81 TS 1000
Pythagorean Theorem and more. 8 programs. 1K.
ZX81 TS 1000
Computer clocks, more. 8 programs. 1K.
ZX81 TS 1000
Interest percentage and more. 8 programs. 1K.
ZX81 TS 1000
Various quizzes for all ages. 1K.
ZX81 TS 1000
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