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File:Vintage Casio Computer Quartz CQ-1 Electronic Pocket Calculator, Made in Japan, Circa 1975 (11574678186).jpg - Wikimedia Commons
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Paul Rickards on X: "Behold, the Casio PB-700 pocket computer and FA-10 pen plotter and microcassette recorder. 15k of RAM for BASIC programs. https://t.co/9n5FVi5VjL" / X
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