TECHNICAL & SCIENTIFIC CALCULATOR CASIO
FX-991EX

• 63*192 FULL DOT LC Display
• Natural-V.P.A.M.
• No. of figures/lines 17/1+10/1
• Replay function
• 552 Functions
• 47 Scientific constants
• 40 Metric conversions
• 9 Variables memory
• Calc/solv key
• 24 Parenthesis levels
• Fractional arithmetic
• Angle unit DEG/RAD/GRAD

• Angle 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, log, ln, 10^x, e^x

• Mathematical functions, √,x²,x^-1,x!,x^y, x^1/y

• Base-n calculations (hexadecimal/decimal/binary/octal)

• Sexagesimal decimal

• Prime factorization
• Engineering notation (x10^x) ENG/ENG^→
• Calculation with engineering symbols

• Calculation with complex numbers

• Random number generator

• Random integers

• Probability distribution
• Create the sum of Σx, Σx², x&#772
• Create the sum of Σx, Σy,Σx²,Σy²,Σxy, x&#772, y&#772
• Calculation of standard deviations for grouped and ungrouped values

• Regression analysis (linear, quadratic, power)

• Permutation (nPr), Combination (nCr)

• Matrix 4×4 calculations
• Equation calculations

• Integration calculations/Differential calculations
• Spreadsheet
• QR Code function
• Table function
• Energy supply: Solar + Battery 1 x LR44 / Auto power off
• Dimensions 11,1x77x165,5 (mm)