Kalkules Scientific Calculator
Free scientific calculator software for Windows PC with advanced functionality.
Windows  Installation package
Features
 Complex math expressions with parenthesis, variables, constants and functions
 Real numbers
 Complex numbers
 Residue classes modulo n
 Fractions (real or complex)
 Calculations available in four numeral systems: binary, octal, decimal, hexadecimal
 Numeral system conversions (including decimal numbers)
 Wide range of arithmetic, goniometric and hyperbolic functions
 Function graphs with multiple functions in same graph

Function derivative (differentiation)
 Higherorder derivatives
 Partial derivatives

Polynomials
 Adding, subtracting and multiplying polynomials
 Dividing polynomials (polynomial division with remainder)
 Raising polynomials to a power
 Horner scheme
 Unit conversion (length, speed, mass, volume, temperature, etc.)

Statistics
 Sum
 Product
 Arithmetic mean
 Weighted mean (expected value)
 Dispersion
 Standard deviation
 Median

Combinatorics
 Combinatorial number
 Variations with / without repetition
 Combinatiions with / without repetition
 Permutations without repetition
 Series summation
 Series product

Quadratic equations
 Discriminant calculation
 Finding real or complex roots (in case of negative discriminant)
 Rule of three (with direct / indirect proportion)
 Expression libraries  find and use common math formulas
 Calculation history
 Translated into 15 languages
Windows  Installation package