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VINTAGE RARE CASIO SCIENTIFIC CALCULATOR FX-510 + CASE & cards JAPAN 1980 | eBay
Casio FX115ESPLUS Scientific Calculator - Hard Case, Auto Power Off, Dual Power, Textbook Display - 4 Line(s) - 16 Digits - Battery/Solar Powered - 1 - 1" x 3.3" x 6.5" - White - 1 Each - Thomas Business Center Inc