| Astrology | Produces natal horoscopes. | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| Astronomy | Compute positions of the sun, moon and planets for any date. Find dates and times of moon phases, solar and lunar eclipses, sunrise/sunset times, equinoxes/solstices, Julian day and sidereal time. | Timex/Sinclair 2068 |
| Intermediate Math Pack | Compute primes, GCD, LCM. any base conversion, roots of functions, triangle solutions, linear regression, simultaneous equations, determinants, vector operations. 2K. | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| Math Pack 1 | | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| Math Pack 2 | | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| The Calculus | Sophisticated programs for numerical integration, differentiation, 1, 2, 3rd derivatives of function, 1st & 2nd differential equations by Runge-Kutta and Adams-Moulton methods. 2K. | Timex/Sinclair 1000, Timex/Sinclair 2068 |
| Weathercaster | Programs for predicting local, short term weather: computing relative humidity, dew point, temperature-humidity index, wind chill factor. Warning messages for heat stress, heatstroke, and frostbite. 2K. | Timex/Sinclair 1000, Timex/Sinclair 2068 |