![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/BH9vadx.png)
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 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)
Why does the German version of the Casio fx-991EX, the fx-991DE X, have more functions than the US version? : r/calculators
![Casio fx-991ES Plus 2 Wissenschaftlicher Taschenrechner mit 417 Funktionen und Display, Natur : Amazon.de: Bürobedarf & Schreibwaren Casio fx-991ES Plus 2 Wissenschaftlicher Taschenrechner mit 417 Funktionen und Display, Natur : Amazon.de: Bürobedarf & Schreibwaren](https://m.media-amazon.com/images/I/41wUw93gMwL._AC_.jpg)
Casio fx-991ES Plus 2 Wissenschaftlicher Taschenrechner mit 417 Funktionen und Display, Natur : Amazon.de: Bürobedarf & Schreibwaren
![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)