How to Use Graphics, Part 1
Tutorial on TS1000 graphics.
How to Use Graphics, Part 1 Read More »
Timex/Sinclair 1000
Matrix Inversion Using Gauss-Jordan Elimination
Tutorial on using Gauss-Jordan elimination method to pivot a matrix.
Matrix Inversion Using Gauss-Jordan Elimination Read More »
Using the ZX81 as an Instrument Controller
Review of an article about using the ZX81 in a research lab.
Using the ZX81 as an Instrument Controller Read More »
Simple Reset Switch
Instructions and schematic for adding a debounced reset switch.
Simple Reset Switch Read More »
Reader Input
Method of copying data to a second array when more storage space is needed. Technique is limited by memory; discusses how to collapse the original array.
Checking Out Library Computer Lending
Libraries in the U.S. and Canada are lending Timex/Sinclair computers and accessories to patrons.
Checking Out Library Computer Lending Read More »
File Protection
Recommendation, along with a short subroutine to support it, for saving programs and data to alternating sides of a cassette as a method of preventing data loss.
A Simple Loading Aid
Plans for a small device to monitor signal levels when loading programs.
A Simple Loading Aid Read More »
Runge-Kutta Method for Solving First Order Ordinary Differential Equations
Type-in program to solve these equations.
Runge-Kutta Method for Solving First Order Ordinary Differential Equations Read More »