![Casio Schulrechner FX-991DE X (ClassWiz) – Arbeitsblätter, Kopiervorlagen, Bergedorfer Unterrichtshilfen · Persen Casio Schulrechner FX-991DE X (ClassWiz) – Arbeitsblätter, Kopiervorlagen, Bergedorfer Unterrichtshilfen · Persen](https://www.persen.de/media/catalog/product/cache/7ad8337442941e5e4afc88819cb24159/d/r/dr0013_webcover3.jpg)
Casio Schulrechner FX-991DE X (ClassWiz) – Arbeitsblätter, Kopiervorlagen, Bergedorfer Unterrichtshilfen · Persen
![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-991DE X Scientific ClassWiz Calculator with Natural Display : Amazon.de: Stationery & Office Supplies Casio FX-991DE X Scientific ClassWiz Calculator with Natural Display : Amazon.de: Stationery & Office Supplies](https://m.media-amazon.com/images/I/61zrj5Zu1pL._AC_SX679_.jpg)
Casio FX-991DE X Scientific ClassWiz Calculator with Natural Display : 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://www.casio-europe.com/resource/images/sgr/detail/fx991dex.jpg)