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Casio ST1 |
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Casio ST1. Distinctive features: Electronic stopwatch and calculator combined. Technical details: Four function, %, memory, square root, stop watch functions, time calculations. 1.5v (AA battery). 74 x 133 x 30 mm. (2.9" x 5.25" x 1.2"). 1977. Casio Computer Co. Ltd., Made in Japan. |
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There were other calculators of this period which had timing or stopwatch capabilities, but this was one of the first designed specifically to be used as a stopwatch. Around this time the pure electronic stopwatch was developed, but that is another tale. |
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Vintage Calculators |
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© Text & photographs copyright Nigel Tout 2000-2012 except where noted otherwise. |
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