Casio technial calculator FX-991EX classwiz

The ClassWiz series with high-resolution LCD and many other extras
The Classwiz series offers a new high-resolution LC display with 192×63 pixels and a resolution that is four times higher than that of the familiar displays of the FX-ES Plus series. In addition, the new ClassWiz series boasts new hardware with a faster processor and double the memory size.

- High-resolution LC display with 192 x 63 pixels;
- Natural-V.P.A.M. – Natural display;
- 552 functions;
- Icon menu;
- Spreadsheet;
- QR code function¹;
- Solving equations and systems of up to four equations;
- 4X4 matrices;
- Vector calculations;
- Integration calculations;
- Differential calculations;
- Probability distribution;
- Calculation with technical symbols;
- Undo-Function;
- Complex number calculation;
- Base-N calculations;
- Equation calculations;
- Inequality calculation;
- SUM calculation;
- 47 wcientific constants;
- 40 metrixc conversions;
- Automatic parenthesis;
- 24 Parentheses level;
- Variable memory (9);
- Trigonometric and invers trigonometric functions;
- Hyperbolic and invers hyperbolic functions;
- Power / Power Root calculations;
- logarithmic calculations;
- Exponential calculations;
- Root calculations;
- Combinatoric and Permutation;
- Prime factorization;
- Random Integer;
- Conversion of polar coordinates into rectangular coordinates and invers;
- Fraction (two modes);
- Conversion of sexagesimal into decimal and invers;
- Calculates in Degree, Grad and Radian;
- SCI/FIX/ENG function;
- List based statistics;
- 1-variable statistics;
- Standard deviation;
- 2-variable statistics (Regressions);
- Percentage calculation;
- Non-natural input;
- Output with √ form;
- Output with Π form;
- Function table.