Casio FX 991DECW ClassWiz Technical Scientific Calculator, German version

The FX-991DE CW calculator is the most powerful model of technical-scientific calculators with 696 functions The innovative operation and menu-assisted navigation simplifies the use of the calculator for students. Abbreviations and shortcuts are largely omitted. Mathematical expressions such as roots, fractions, and logarithms are presented in natural spelling. With the math box, you can simulate dice and coin toss attempts. The relative frequencies of totals can be listed. With the QR code function, results and functions of the computer can be visualised with your smartphone or tablet.