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File:Vintage Casio Pocket-Mini (aka P811) LED Handheld Electronic Calculator, Made in Japan, Circa 1976 (8714450871).jpg - Wikimedia Commons
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CASIO pocket calculator 10dig. large screen - iPon - hardware and software news, reviews, webshop, forum
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Casio SL-310UC Pocket calculator Black Display (digits): 10 solar-powered, battery-powered (W x H x D) 70 x 8 x 118 mm | Conrad.com
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