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Casio FX-87DEPLUS-2 Engineering calculator Black Display (digits): 12 solar-powered, battery-powered (W x H x D) 77 x 11 | Conrad.com
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Why does the German version of the Casio fx-991EX, the fx-991DE X, have more functions than the US version? : r/calculators
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Why does the German version of the Casio fx-991EX, the fx-991DE X, have more functions than the US version? : r/calculators
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