TECHNICAL & SCIENTIFIC CALCULATOR CASIO FX-991CW

• 63*192 Full Dot • Natural Textbook Display • Algebraic input method: Natural V.P.A.M. • No. of figures/lines 17/1 10/1 • Icon Menu • 4-gradation display • Display of mantissa exponent 10 2 • Replay function • 9 Variables memory • 540 Functions • 47 Scientific constants • 40 Metric conversions • 24 Parenthesis levels • Fractional arithmetic • Angle unit (DEG/RAD/GRAD) • Angel unit conversion (DEG/RAD/GRAD) • Coordinate transformation 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, logarithmic (In, 10x, ex) • Mathematical functions ?, x², x-1, 1/x, x!, xy, x1/y • Base-n calculations (hexadecimal/decimal/binary/octal) • Logical operators (AND/OR/…) • Sexagesimal decimal • Percentage calculation • Prime factorization • Engineering notation ENG/ENG • Calculation with engineering symbols • Complex number calculations • Random number generator • Calculation of min/max of a quadratic function • 4×4 Matrix calculations / Vector calculation • Equation solver • Inequation • Table function f(x) & g(x) • Sum of ?x, ?x², • Sum of ?x, ?y, ?x², ?y², ?x*y • Standard deviation • Distribution • Regression • Math box • Permutation (nPr), Combination (nCr) • Differential and integral calculus • Numerical integration calculus • Numerical differential calculus • English menu language • Spreadsheet • QR code function • Hardcase • Automatic shutdown • Energy supply: Solar Battery (1x LR44) • Dimension (H x W x D in mm) 10,7 x 77 x 162 • Weight 95g