Kalkules Portable

Kalkules is a universal scientific freeware calculator with an amount of nontraditional functions, which can be used particularly by high school or university students. It also offers a wide range of tools, which make your calculations easier and faster. It can evaluate expressions, draw function graphs, calculate with real complex or modulo numbers, four number systems: binary, octal, decimal, hexadecimal, fractions, and polynomials. It features evaluation history, unlimited count of brackets in the expression, wide range of arithmetic, trigonometric, and hyperbolic functions, using self-named variables, inserting some of the predefined constants, and the ability to define your own constants.