![Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products](https://m.media-amazon.com/images/I/41u793Ez+ZL._AC_SY350_.jpg)
Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products
![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](https://external-preview.redd.it/QzGxKJTsJYdhrM3qx-mimmS9ZCA-kdPsS7UKs9-PiXg.jpg?auto=webp&s=f24f26f114defad6fe0be8a3664b6d6178b0f6f3)
Why does the German version of the Casio fx-991EX, the fx-991DE X, have more functions than the US version? : r/calculators
![Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products](https://m.media-amazon.com/images/I/41crUne0+VL._AC_SY1000_.jpg)
Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products
![Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products](https://m.media-amazon.com/images/I/71RA+ibzEsL.jpg)
Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products
![Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products Amazon.com: Casio FX-991DE X Scientific Calculator with Natural Display (only German Language) : Office Products](https://m.media-amazon.com/images/I/41bQb0kzi+L._AC_SY350_.jpg)