Casio FX-991ES Plus Non-Programmable Scientific Calculator
- Non-Programmable Scientific Calculator with 417 Functions
- Natural Textbook Display- Input and display fractions, powers, logarithms, roots, and other mathematical formulas and symbol just as they appear in textbooks
- List Based Stat-Data Editor for Easy Viewing and Statistical Calculation
- Probability, Calculus, Permutation Combination, Random Number Calculation features
- Table Function for Function exploration
- Colour coded keypad for easy key differentiation
- Dual Powered - Solar & Battery Solar powered when light is sufficient, battery powered when light is insufficient.