With CR-Sudoku you can generate, play, solve and save Sudoku games.
It's a freeware program.
All generated games have only one solution and can be solved logically.
No installation necessary - copy and play
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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.
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