ECalc is a free online scientific calculator with many advanced features including support for unit conversion, trigonometric functions, equation solving, complex number math, and more. ECalc operates in both algebraic and RPN operating modes, and includes an integrated sliding side palette with extended functionality. In addition to the online version, ECalc is available as a standalone calculator for both Windows and Mac OS X dashboard. [ Read more ]

Solving your maths problems, exercises, tests, worksheets via Email ASAP. You can send me problems about Algebra, Calculus and more. Payment using Paypal. [ Read more ]