SadMan Software: Sudoku is a program that will solve any Sudoku puzzle.
This program is intended to give you the right numbers that you must place into each box. You can enter a sudoku puzzle, and order the program to solve it. Doing this, you will spoil the fun of playing the game, but that will be very useful if your work is to create sudoku puzzles, or you was not able to complete certain game. There is other way in which the program will assist you in the resolution of puzzles: it will show you which numbers are candidates to occupy a box. By pointing the mouse arrow on those boxes, you will see a wheel of numbers, where the candidates are marked in bold. You can then click on the candidate you like. If it is not the right one, the program will slash it, so you can correct your input.
This program can give you hints to let you guess the right numbers to put in the boxes. It is also able to apply different solving techniques, and teach you how to use them. You can use any level of help. By clicking on the numbers at the bottom of the screen, you will tell the program to highlight those numbers on the board.
v3.9 [Sep 21, 2011]
-Added two more colour options, bringing the total to six.
-Fixed a bug that could result in some grades being displayed incorrectly when printing puzzles from the library.
-Added the option to show or hide pencil marks. This purely controls whether they're displayed, and not whether they're updated or not.
-Added the ability to create a bookmark to save the current state of the board. You can create a bookmark, try a particular solving route, and if it doesn't work out, restore to the point when the bookmark was taken.
-When single stepping, the explanation of each step is shown in the status bar.
-Fixed a bug that could result in the same puzzles being printed on successive runs of the program. This fault was introduced in version 3.7, and only happened if background puzzle generation was disabled.
-Improved the behaviour when pasting from Excel so that consecutive tab separators correctly result in an empty cell.
-Corrected a problem when the "not solved" grade prevented puzzles with a specific technique from being found in the library.
