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Computers
- Sinclair
  - Sinclair ZX80
    - Articles
    - Books
    - Hardware
    - Software
  - Sinclair ZX81
    - Articles
  - Sinclair QL
    - Hardware
    - Software
  - Cambridge Z88
- Timex
- Other
  - MicroAce
    - Hardware
    - Articles
    - Software
    - Books
  - Lambda 8300
Downloadable Software
- ZX81/TS-1000
- TS-2068
Publications
Companies
- Sinclair
- Timex
- View All
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About
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Perrin C. Cothran

Articles

Kitchen Table Math Series
Kitchen Table Math Series and Problem Solving
Sinclair Timex TS-1000 Kitchen Table Math Series

Recent Posts

Timex at K-MartApril 17, 2025
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Real World Uses: Timex/Sinclair 2068May 16, 2024
“Made In Spain” ZX81 and TS1000 PCBsFebruary 23, 2024
How Did TS 2068 Users Make a Spectrum ROM?September 9, 2023

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