Casio Fx-991 Es Plus 2 Scientific Calculator

Key Features

- 10 + 2 digits

- 417 Functions

- Natural Textbook Display

- Solar Battery

- Multi-replay (Quick and easy recall of previously executed formulas for editing and re-execution)

- Combination and permutation

- Integration/differential calculations

- Matrix and Vector calculations

- Complex number calculations

- Base-n calculation

- Statistics (List-based STAT-data editor, Standard deviation, Regression analysis)

- Table function

- Comes with new slide-on hard case