Products
- 10 Programs for the ZX81
- 3 Factor ANOVA with Interaction
- AC Circuit Analysis
- Advanced Math
- Advanced Math
- Aircraft Performance Program
- Algebra Solver
- Amplifier CAD
- Antenna Design
- Antenna Design
- Anypoint Plotter
- Areas
- Arithmetic and Geometric Progressions
- Astro Map & Conversion
- Astro-Utilities
- Astronomer's Guide
- Astronomer's Guide
- Astronomical Software 1
- Astronomy
- Astronomy
- Atan 2K
- Audio Frequency Counter
- Autotrack: Computer Rotor Control
- Balance
- Beam Design
- Beam Heading
- Belt and Chain Drives
- Calculus Solver
- CAM MASTER
- Celestial Locator
- CHIP
- Chord/Curve
- Circuit Analysis
- Common-Emitter Transistor Amplifier
- COMPU-STAT
- Computer Navigation
- Concept 3-D
- Constellation
- Conversions/Functions
- Cryptographics Programs
- Cubic/quadratic Solution
- Dates
- Differential Equation Solver
- Distacalc
- Drugs and Bugs
- Dual Trace 'Scope'
- E.E.
- E.E. 1 Filter Design
- Electronic Circuit Design Programs
- Electronic Programs for the Hobbyist
- Electronics
- Electronics Engineer
- Electronics Subroutines, Combo II
- ELF/1
- Ephemeris V
- Equation Solver
- EZ-Filter
- Fast Fourier Transform
- Frame
- Functional Analysis
- Galaxy
- Graphic Calculator
- Grid
- Ham Radio Pak
- HAM-AID
- Hamilton Display
- Hamilton Path Generator
- Hamware
- Heating and Air Conditioning Simulation
- Hyperbolic Spiral
- Hypercycloids
- Intermediate Math Pack
- Ionisation
- Lab Assistant
- Lab Program 2000
- Lab Program I
- Lab Program II
- LCM & HCF, Prime factors, Statistics, Bar-chart plotter
- Lemniscate of Bernoulli
- Levers
- Limacons
- Linear Programming
- Linear Regression
- Linearsystems3.0
- Linreg4.0
- Lissajous Figures
- Lunar Cycle
- Magic Cube Generator
- Math #1
- Math and Electronics
- Math Pak
- Math Routines and FIT
- Mathematics of Higher Order, Combo IV
- Mathstat Pac
- MATMAN
- Matrix Math
- MATSOL
- Mechanical Design Programs
- Mega-Stat
- Microkjeldahl Protein Determination
- MinimUF 3.5
- Moisture-Oven Method
- Moontracker
- MOPSY
- Morse Code Translator
- Morse Code Translator
- Morseman 3
- Multiple Linear Regression
- Multiple Regression
- Multiple Regression Analysis
- MXP
- Numerint4.0
- Oblique Trigonometry
- Orbit
- Passive Solar Design Pack
- PC-DRAW
- Physics Solver
- PINS
- Pipe Flow
- Plane Frame
- Plane Frame
- Planet Finder
- Planetfinder
- Planets
- Power Supply CAD
- Prime Numbers
- Print-Planets
- Pseudoscope for TS2068
- Pulleys and Wheels
- Radiobeacon Qwikplot
- Relativity
- Rhodonea (Rose) Curve
- RPN Calculator
- Sci-Pak
- SIFT I
- SIFT II
- Simplex Algorithm
- Small User's Math (SUM)
- Speed of Sound Calculator
- Spiral of Archimedes
- Spur Gear Drives
- Stars
- Stat Master
- Statistical Correlation
- Statistical Graph Generator
- Statistical Pac
- Statistical Programs
- Statistics
- Statistics
- Statistics
- Statistics Pack
- Statistics Package
- Statistics Programs
- Steel Beam Design
- Sunrise/Sunset
- Suntracker
- Super Fn Plot
- Super-Stats
- Surveyors Travers Correction
- Telescope Design
- Temperature Conversion
- The Calculus
- The Matrix Package
- Theile Cabinets
- Timber Beam Design
- Trigonometry
- Truss
- Variance Analyzer
- VDAQ1
- Vectors and Hyperbolics Functions, Combo III
- Weather Forecaster
- Weight Calculations
- Wire and Metal Rod
- World's Most Magic Square
- ZQ-1
- ZX Forecasting