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Texas Instruments TI-30 |
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Texas Instruments started research into portable calculators in 1966 with the "Caltech" project, and went on to supply calculator electronics components to many companies. In 1972 it started to market it
own calculator, the TI-2500 Datamath, which was the first of many models. |
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Vintage Calculators |
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© Text & photographs copyright Nigel Tout 2000-2008 except where noted otherwise. |
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