If you're into Sudoku then you might want to have this Sudoku Solver

Clicking the link will cause a time alert to pop up.

After you OK the time alert,

An Excel spreadsheet will be downloaded from my web site onto your computer. If you've got it, Excel will launch. Either that or you'll need to find the downloaded file and click on it. It's called SudokuAUTOdoubleCOLOR.XLS.

There are lots of Macros, so click the "enable macros" button