Casio FX-991DE CW ClassWiz technisch wissenschaftlicher Rechner, deutsche Menüführung

Display • 63 x 192 full dot • Natural display • Algebraic input logic: Natural-V.P.A.M. • Number of characters/lines: 17/1+10/1 • Icon menu • Display with 4 shades of grey • Display Mantissa - Exponent: 10+2 memory • Repeat function • 9 variable memory math • 680+ functions • 47 scientific constants • 164 unit • 24 staple levels • fraction calculation • Angle dimensions DEG/RAD/DEG • Conversions between >DEG/>RAD/>GRAD • Coordinate conversion pole ÷ Rec • trigonometric functions sin/cos/tan/sin-1/cos-1/tan-1 • hyperbolic functions sinh/cosh/tanh/sinh-1/cosh-1/tanh-1 • exponential, logarithm (In, 10x, ex ) • mathematical functions √, x², x-1, 1/x, x!, xy, x1/y • calculations for base n (hexadecimal/decimal/binary/octal) • logical operators (AND/or..) • calculations in the sexagesimal system • percentage calculation • residual function • primary factor zero. legung • technical English notation ENG/ENG • Calculation with technical symbols • Calculation of complex numbers • Random number generator • Integer random numbers • Calculation of minimum or maximum of a square function • ggT/kgV function • 4x4 matrix calculation / vector calculation • REF/RREF function • Equation calculation Calculation • Check function "Verify" • Table of value: f(x) & g(x) • Periodic decimal fraction statistics • Sum formation of ≦x, ¦x² • Sum formation of ≤x, ¦ Y² • Standard deviations for grouped and ungrouped values • distribution functions (Normal distribution, inverse normal distribution, binomial distribution, poisson distribution) • regression analysis • permutation (nPr), combinatorics (nCr) • math box (random experiments with coins and dices) differential and integral calculus • numerical integral calculus • numerical differential calculus other • German menu • Spreadsheet • QR code function • Hard case • Automatic switch-off • Power supply: solar + battery (1x LR 044) • Dimensions (H x W x D in mm) 10.7 x 77 x 162 • Weight 95 g

• The FX-991DE CW calculator is the most powerful model of technical-scientific calculators with 696 functions
• The innovative operation and menu-assisted navigation simplifies the use of the calculator for students. Abbreviations and shortcuts are largely omitted.
• Mathematical expressions such as roots, fractions, and logarithms are presented in natural spelling.
• With the math box, you can simulate dice and coin toss attempts. The relative frequencies of totals can be listed.
• With the QR code function, results and functions of the computer can be visualised with your smartphone or tablet.