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RedCrab 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 entered in an editor window similar to a piece of paper. The calculator displays the result either under or next to the expression. The handling is easier than a conventional calculator. Its 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. Results from one expression can be carried over to the next task. You can also save and load the formulas to create a library of formulae. Calculation range: 1.7e 308 to 5e-324; Accuracy: 18 digits; and Display : 15 digits. RedCrab Calculator also enables explanation of complex tasks visually by importing drawings in bitmap format. The 1.13 MB RedCrab, Version 1.10 (released on 17 Jan 2010), can be downloaded at h