CRSudoku
generator and solver
With CRSudoku you can generate, play, solve and save Sudoku games.
All generated games have only one solution and can be solved logically.
No installation necessary  copy and play

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 display the result either under or next to the expression. The handling is easier than conventional calculators.
RedCrab supports the entry of complex algebraic equations with fractions, square roots, exponents, etc. for technical and scientific applications.

RedCrab  The Calculator
with full screen editor
