Sudoku requires you to fill in the grid so that all the digits 1-9 appear in each row, in each column, and in each 3x3 WITHOUT DUPLICATION. This page helps you to solve Sudoku puzzles that you can find published in newspapers, book, or other web sites. A Sudoku puzzle gives you some starting numbers. You must figure out the rest. Simply enter the given starting numbers into the spaces above and click "Solve It!" to solve the puzzle. Cleck "Clear" to clear the numbers so you can do another puzzle. "Back..." will exit this page.
This solver is implemented in Javascript. It was not hard at all to write.