| B-1 Bomber for ZX81 | Description of the game. | Timex/Sinclair 1000 |
| Circle | Implementation of Bresenham’s circle algorithm. | Timex/Sinclair 1000, Type-in program |
| Home Computer Crash of 1983-85 | Describes the impact of the video game and home computer crash, fueled in part by Sinclair and Timex’s computers. | |
| Solving a Maze with Cellular Automata | Implementation of Basem Nayfeh’s cellular automata rules to solve a maze. | Timex/Sinclair 1000, Type-in program |
| Typing in Assembly | Four assembly language programs that demonstrate accepting user input via the keyboard. | Timex/Sinclair 1000, Type-in program |
| ZX81 in Science | Review of academic papers that cite using the ZX81. | Timex/Sinclair 1000 |
