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The Authoritative Website for Timex/Sinclair Computers

The Authoritative Website for Timex/Sinclair Computers

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Home » Perrin C. Cothran

Search
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
Products
Community
About
Blog

Perrin C. Cothran

Articles

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

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The Man Who Tried to Save TimexNovember 6, 2025

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