Casio Calculator Scientific FX115MS/ES

All Casio FX scientific calculators have:. true algebraic logic, standard deviation, sin/cos/tan, hyperbolics, polar/rectangular conversions, register exchange, DMS and time calculations, linear regression, permutation and combination, FIX/SCI/ENG notation, brackets, random numbers, square, factorial, logs exponentials, angle units (DEG/RAD/GRA), fractions, auto power off. Ideal for key stages 3, 4 and above (ages 11-16+). S-VPAM logic. Slide-on hard plastic case. Regression analysis. Calculus (numerical integration, numerical derivative). Equations (polynomial, simultaneous). Twin line 10+2 digit display. 300 functions. Multi-replay. No. of digits: 10+2. Binary/Octa/Hex and Logic ops. Complex numbers. Power source: Solar/LR44 battery. WxDxH: 78x155x13mm.