RedCrab - The Full Screen Calculator

RedCrab is a scientific calculator with a full screen formula editor. The mathematical expressions are not typed in a typical command line,  but can be enter in an editor window similar to a piece of paper. The calculator's editor supports the entry of complex algebraic  equations like fractions, square roots, exponents, etc. for technical and scientific applications. No installation of the software is required. You can just copy the software to your system and starts the program. Starts from external disk, for example USB flash drive or CD / DVD http://www.redchillicrab.com/download/redcrab.zip