Download Kalkules free scientific calculatorExcellence Award
Kalkules is a free scientific calculator, featuring an amount of non-traditional functions, which can be used particularly by high school or university students. It also offers a wide range of tools that make calculations easier and faster.
Features: evaluating whole expressions ( ex: 5 + 10 / 3 ) * drawing function graphs * calculating with real complex or modulo numbers * calculating in four number systems: binary, octal, decimal, hexadecimal * calculating with fractions ( ex: 5 / 2 + 1 / 3 = 17 / 6 ) * calculating with polynomials * evaluation history * unlimited count of brackets in the expression * wide range of arithmetic goniometric and hyperbolic functions * using self-named variables ( ex: radius, volume, … ) * inserting some of the predefined constants + ability to define your own constants * inteligent percentage calculations, and more…
(Check also this free Desktop Calculator Gadget)