Casio FX-991DE CW ClassWiz technical scientific calculator - FX-991DECW

Display • 63* 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 gray • Display mantissa – exponent: 10+2 Memory • Repeat function • 9 variable memories Mathematics • 680+ functions • 47 scientific constants • 164 unit conversions • 24 levels of brackets • Fraction calculation • Angle measures DEG/RAD/GRAD • Conversions between. >DEG/>RAD/>GRAD • Coordinate conversion Pol ÷ 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 based on base n (Hexadecimal/Decimal/Binary/Octal) • Logical operators (AND/Or..) • Calculations in the sexagesimal system • Percentage calculation • Remainder function • Prime factorization • Technical notation ENG/ENG • Calculation with technical symbols • Calculation of complex numbers • Random number generator • Integer random numbers • Calculation of minimum or maximum of a quadratic function • gcd/kgV function • 4x4 matrix calculation / vector calculation • REF/RREF function • Equation calculation • Inequality calculation • Check function "Verify" • Table of values: f(x) & g(x) • Periodic decimal fraction statistics • Sum formation of ∑x, ∑x², • Sum formation of ∑x, ∑y, ∑x², ∑y², ∑x*y • 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 dice) Differential and integral calculus • Numerical integral calculus • Numerical differential calculus Other • German menu language • Spreadsheet calculation • QR code function • Hard case • Automatic switch-off • Energy supply: solar + battery (1x LR 044) • Dimensions (H x W x D in mm) 10.7 x 77 x 162 • Weight 95g

• The FX-991DE CW calculator is the most powerful model of technical-scientific calculators with 696 functions
• The innovative operation and menu-based navigation makes it easier for students to use the computer. Abbreviations and key combinations are largely avoided.
• Mathematical expressions such as roots, fractions and logarithms are represented in natural notation.
• The math box can be used to simulate dice and coin tossing experiments. The relative frequencies of the sums can be listed.
• With the QR code function, results and functions of the calculator can be visualized using a smartphone or tablet.

Category: Scientific calculators