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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 Why does the German version of the Casio fx-991EX, the fx-991DE X, have more functions than the US version? : r/calculators](http://i.imgur.com/jvKl3Qg.png)
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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Calcuso Standard Package: Casio FX-991 DE X Technical-Scientific Calculator + WYNGS Protective Case Black + CALCUSO Book + Extended Warranty by Calcuso: Amazon.de: Stationery & Office Supplies
![Why does the German version of the Casio fx-991EX, the fx-991DE X, have more functions than the US version? : r/calculators Why does the German version of the Casio fx-991EX, the fx-991DE X, have more functions than the US version? : r/calculators](http://i.imgur.com/Wu9vfjF.png)