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Casio FX-991ES Plus Scientific Calculator
Ideal for ages 11-16+. Twin line 10+2 digit natural textbook display. Multi-replay. Matrix/vector. S-VPAM logic. Slide-on hard plastic case. Regression analysis. Calculus (numerical integration, numerical derivative). Physical constants. Metric conversions. Equations (polynomial, simultaneous). It is ideal for all Advanced Studies The FX-991ES PLUS is Dual power and has 417 Functions Numeric calculation tools for differentiation, integration and summation Co-ordinate conversions between Polar and Rectangular values with Polynomial, and simultaneous equations.
Advanced Scientific Functions
- New equation mode
- Random integers
- Fraction calculations
- Combination and permutation
- Statistics (List-based STAT data editor, standard deviation, regression analysis)
- 9 variables
- Table function
- Comes with new slide-on hard case
Hard case provides protection outside of the classroom and can be easily stowed away during use via the integrated rails.
Dual powered via solar and battery back-up for reliable performance.
- 417 Functions, Full Dot Display, Plastic Keys.
- Integration / Differential, Equation calculation, Matrix calculations / Vector calculations, Complex number calculation, CALC function / SOLVE function, Base-n calculation.
- Fraction calculation, Combination and Permutation, Logarithm log, List-based STAT data editor, Standard deviation, Paired-variable statistics regression analysis, Logical operations, Table function.