RedCrab Calculator – The Portable Freeware Collection ⋆ FGR* Blog
RedCrab is a scientific calculator with a full screen formula editor. Mathematical expressions can be entered in a 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.
Several mathematical functions can be written on the same page and results from one expression can be carried over to the next task. The program helps explain complex tasks visually by importing drawings in bitmap format.