【COD】เครื่องคิดเลขวิทยาศาสตร์ Fx-991es plus 2nd Edition รุ่นใหม่! เครื่องคิดเลขวิทยาศาสตร์ Casio ของแท้

Specifications: Display Display type: 62 x 192 FULL DOTS Natural display Logic input algebraic: Natural V.P.A.M. Number of characters/lines: 16/1+10/1 Icon menu Significantand function: 10+2 Memory Repeat function Memory variable: 9 Number of storable programs: Calc / Solv button Basic mathematics Functions: 552 Scientific constants: 40 Conversion unit: 40 Level bracket: 24 Fraction calculations Angle dimensions DEG/RAD/GRAD Conversion 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 Mathematic 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 Factorization Prime Technical notation ENG/ENG Calculation with technical symbols Calculation of complex numbers Random number generator Random integers Base-n calculations Table value Statistics Summation of?X,?X2 Summation of?X,?Y,?X2,?Y2,?Xy Standard deviations for grouped and ungrouped values Distribution functions (normal distribution and inverse normal distribution, binominal distribution, Poisson distribution) Analysis regression Permutations (nPr) and combinatorics (nCr) Matrix calculation/vector calculation: 4X4 Ref/rref function Calculation equation: until 4 degrees Inequality calculation Differential and integral calculus Numerical integral calculus Numerical differential calculus