Sudoku Solver | Home | Your Feedback |

Enter the numbers given in the Sudoku into the boxes on the left - leave unknown squares blank.

You can see just the order in which cells can be filled by clicking "

To also display the full solution, click "

If you are solving by hand, you can use the "

This applet can also be used to CONSTRUCT Sudoku puzzles.

Add and remove numbers until you arrive at a fully solvable puzzle.

The inferences the program draws are limited, so more difficult puzzles may not completely solved. In such cases, the user might be able to help, by making his own inferences and adding some input. As little as one additional provided number can turn an unsolved puzzle into a solved one.

There are many Sudoku sites on the web.

websudoku.com has an effectively unlimited supply in 4 levels of difficulty.

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