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12.0001.001 - Texas Instruments TI-66 Programmable Calculator | Office of History, National Institutes of Health
TEXAS INSTRUMENTS, Graphing, 16 x 8, Programmable Graphing Calculator - 35W799|TEXTI83PLUS - Grainger
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The first handheld computer, the TI-59 programmable calculator could execute a sequence of preprogrammed instructions, store and retrieve data, apply conditional logic, and make computations. Shown here with the optional PC-100C printer
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File:Vintage Texas Instruments TI-55 Programmable Pocket Calculator, Red LED, Made in USA, Circa 1977 (8731420607).jpg - Wikimedia Commons
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