Kalkules is a universal scientific freeware calculator with some nontraditional functions, useful for anyone but particularly for high school and university students.

Kalkules also offers a wide range of tools, which make your calculations more accessible and faster.

Features:
evaluating complex expressions with parenthesis, variables, constants, and functions
calculating with real, complex, and modulo numbers
calculating in four number systems: binary, octal, decimal, hexadecimal
a wide range of arithmetic goniometric and hyperbolic functions
function graphs
function differentiation
calculating with polynomials and fractions
unit conversion
basic statistical and combinatorial calculations
expression libraries
evaluation history
and much more

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