Welcome to TimexSinclair.com, your definitive resource for everything related to the Sinclair and Timex/Sinclair computers in the United States. From the groundbreaking Sinclair ZX81 that brought affordable computing to American homes in 1982, to the Timex/Sinclair 2068, we celebrate these remarkable machines that introduced a generation to the world of programming and digital innovation.

Timex/Sinclair

The American chapter—Timex brought Sinclair’s vision to U.S. homes.


1982

Timex/Sinclair 1000

The U.S. version of the ZX81, available for under $100 at retail stores across America. This machine democratized computing in the United States.

1983

Timex/Sinclair 1500

Enhanced version of the Timex/Sinclair 1000 with 16K RAM built in, ZX Spectrum style case and keyboard.

1983

Timex/Sinclair 2068

Color graphics, sound capabilities, and a cartridge port made the 2068 the ultimate U.S. Sinclair experience with serious computing power.

Sinclair

The pioneering machines from Clive Sinclair that revolutionized home computing.


1980

Sinclair ZX80

The machine that started it all—revolutionary for its price point and brought computing to everyday people.

1982

Sinclair ZX Spectrum

The ZX Spectrum brought vibrant color graphics and sound to the home computer market, selling over 5 million units worldwide.

1981

Sinclair ZX81

The machine that brought computing to the masses. Sold over 1.5 million units worldwide—legendary affordability and hackability made it an icon.

1984

Sinclair QL

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

1987

Cambridge Z88

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

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One of the souvenirs I brought back from the WINTERFEST was a copy of the CATS library of public domain programs. In case you don't know, CATS is the Capital area (Washington DC) users' group. The library now consists of 11 volumes, on 5 cassettes. The list is growing.article, orig pub: 02.15.26, updated: 10.31.26
The purpose for writing this article is to show you how easily you can get beautiful math-art creations using a minimum of hardware. The program presented is for the ZX81/TS1000 or TS1500, but can readily be extended to virtually any computer ever built.article, orig pub: 10.27.20, updated: 10.31.26
This program is designed as an aid in laying out a PC board for the Sinclair computers. The 2040 listing will give the correct 0.1" spacing for the edge connector.article, orig pub: 10.27.20, updated: 10.31.26
Mr. Dunnington tells us that this quiz was taken from the Readers Digest for July 1988. In the form that he sent it, the questions and answers were quoted verbatim; with true editorial timidity, I changed the wording rather drastically, in order to minimize the danger of copyright violations. The principle remains intact.article, orig pub: 12.28.24, updated: 10.31.26
(Editor’s NOTE: This topic is especially pertinent in view of the plans of SNUG.) Software has always been a difficult commodity to market and distribute. Users want new software, they want support for their software purchases. What’s more, EVERY computer buff likes to build up a big library of programs.article, orig pub: 12.28.24, updated: 10.31.26