Kalkules Scientific Calculator

Free scientific calculator software for Windows PC with advanced functionality.

Function graph

Drawing graphs of continuous functions. It enables moving and zooming the whole graph, or just in one axis. Cartesian, goniometric or custom coordinate system. Multiple functions in single graph.

Unit converter

Polynomials

Adding, subtracting, multiplying and dividing polynomials, polynomial exponentiation and Horner schemes.

Combinatorics

Basic combinatorial calculations.

Statistics

Basic statistical calculations.

Series summation/product

Function derivative

Quadratic equation

Rule of three

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)
  • Higher-order 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