Anyone who has spent any time solving sudoku puzzles have come across times when despite the best attempts that just can't seem to get past a hard puzzle. It happens to everyone usually on the harder level puzzles. But for those times when you just can't get past the last few cells, there is an application you can use called a sudoku solver that will help you solve the puzzle in just seconds.
Using them is very simple, you just enter in the digits of an unfinished puzzle press a button and the solver will complete all the unsolved cells in just seconds. There are several online solvers available you can use and if this is the first time you have ever heard about them you should take a few minutes to check them out. They really are simple to use and after a few tries you will be able to solve any future sudoku you may be stuck on quickly and easily in just seconds.