About this item 

• The FX-991DE CW calculator with 696 functions is the most powerful model of technical scientific calculators 
• The innovative operation and menu support navigation simplifies the use of the computer for students. Shortcuts and shortcuts are largely omitted 
• Mathematical expressions such as roots, fractions and logarithms are displayed in natural spelling 
• With the maths box, you can simulate cube and coin throwing attempts. The relative frequencies of the buzzing can be listed 
• With the QR code function, you can visualise the results and functions of the computer with your smartphone or tablet