Twenty-five science and engineering programs for the Timex/Sinclair 1000 bring professional sophistication to the world of low-cost computing!

With detailed documentation and liberally illustrated by sample runs, these programs solve the most frequently encountered problems in the areas of:

- Electrical engineering
- Data transmission
- Number theory
- Computer programming
- Computer-generated plotting
- Probability and statistics
- Mathematics
- Operations research

### Contents

Electrical engineering

- Resonant LC Circuit Parameters
- Resistive Attenuation and Matching Pads
- Characteristic Impedance of Transmission Lines

Data Transmission

- Bit Error Rates for Various Modulation Schemes

Number Theory

- Any Base to Any Base Conversion
- Hex-to-Decimal and Decimal-to-Hex Conversion
- Prime Factor Decomposition

Computer Programming

- Relative Offset Computations for Machine Code Programming

Computer Generated Plotting

- Curve Smoothing and Interpolation/Extrapolation with Lagrange Polynomials
- Readable Scales for Computer Plots

Probability and Statistics

- Combinations, Permutations, and Factorials
- Error Function ERF and its Complement ERFC
- Binomial and Hypergeometric Distributions
- Uniform and Normal (Gaussian) Pseudo-Random Deviates

Mathematics

- Fourier Coefficients of Periodic Functions
- Runge-Kutta Solutions of Differential Equations
- Numeric Solution of Transcendental Equations
- Complex Arithmetic
- Decimal-to-Binary Fractions

Operations Research

- Solution of Queuing Equations
- Reliability Parameters of Complex Systems

Miscellaneous

- Frequency of Musical Notes on the Well-Tempered Scale
- Artificial Intelligence Strategy Game
- Multiple Dice Throw
- Two-User Checking Account

Appendix

- Programming Hints and Techniques
- Spectrum Conversions
- References and Further Reading