Casio Scientific Calculator fx-991ES Plus
- 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.
Casio Scientific Calculator FX-991MS 2nd Edition
Casio FX-991MS 2nd Gen Non-Programmable Scientific Calculator, 401 Functions and 2-line Display
- 2nd edition comes with same features and new sleek design with curved edges which makes it compact and easy to carry
- 10 + 2 digits: 10-digit mantissa + 2-digit exponential display
- Solves Differentiation, Integration, Statistics, Regression, Matrix, Vector etc
- Colour coded keypad for easy key differentiation
- S-V.P.A.M. (Super Visually Perfect Algebraic Method): All the features of the existing V.P.A.M. series plus a new 2-line display and a useful Replay function. All this helps to make mathematics easier to use and easier to understand than ever before
- Multi-replay: Quick and easy recall of previously executed formulas for editing and re-execution
- Drop resistant body with water resistant printing on Keys
- Comes with slide-on hard case