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Vintage Half Zeros Scientific Calculator Casio fx-20 + Case - Works Great! | Scientific calculator, Vintage electronics, Pocket calculators
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Casio - FD-20 - - Vintage calculator - Casio FD20 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
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