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Casio Memory A-1 Handheld Electronic Calculator | National Museum of American History
Casio Memory-8R Handheld Electronic Calculator - Model Y-811 | National Museum of American History
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Casio Memory B-1 (H-816)
Vintage Rare Casio DBC-150 Data Bank 150 Ilumminator Calculator Memory Watch | eBay
Casio JW-200SC-BK Desk calculator Black Display (digits): 12 solar-powered, battery-powered (W x H x D) 109 x 11 x 184 m | Conrad.com
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