Sell Casio Fx 991 Ex - Scientific Calculator Fx-991Ex School Scientific Calculator best price

New model. Original casio product Specs: Display Type 62x192 full dot display Natural display Algebraic input logic: Natural v.p.a.m. Number of characters: 16 / 1 + 10 / 1 Icon menu Significand function: 10 + 2 Memory Repeat function Variable memory: 9 Number of storable programs: Calc / solv button Basic mathematics. Functions: 552. Scientific constants: 47 Converts unit: 40 Levels bracket: 24 Fractions calculations Angle dimensions deg / rad / grad Reversions between > deg / > rad / > grad Coordinate conversion pol Trigonometric functions sin cos tan sin-1 cos-1 tan-1 Hyperbolic functions sinh / cosh / tanh / sinh-1 / cosh-1 / tanh-1 Exponents, logs, in, 10x, ex. Mathematical functions?, x2, x-1, 1 / x, x!,?, xy,?, x1 / y Calculations based on n (hexadecimal decimal binary octal) Logical operators (and / or / etc.) Calculations in the sexagesimal system. Percentage calculations. Prime factorization Technical notation eng / eng Calculation with technical symbols. Calculation of complex numbers Random number generator Random integers. Base-n calculations Value table Statistics - summation of?X,?X2 - summation of?X,?Yeah?X2?Y2?Xy Standard deviations for grouped and ungrouped values Distribution functions (normal distribution and inverse normal distribution, binominal distribution, poisson distribution) Regression analysis Permutations (npr) and combinators (ncr) Matrix calculation / vector calculation: 4x4 Ref / rref function Equation calculation: Until 4 degrees Inequality calculation Differential and integral calculus Numerical integral calculus Numerical differential calculus.