Dragon

Description
Details
Features
Download
How it Works
Stripe
Reference
Buy
License
Upgrade
Ways to Buy

Today's Dragon Tip

Color marking
For really tricky puzzles you may need to mark squares to let you see patterns to help solve them. Sudoku Dragon has six different colors available for use and the color allocation can be undone and re-done just like setting square possibilities.
Read More

Sudoku Solver Tour [Page 1 of 15]

Previous Index Next Next

These 15 pages give a preview of the key features of our Sudoku puzzle solver.

The graphical interface provides all the information you want with many options to control how the puzzle is displayed. The menu and toolbar have a host of useful options all documented in our context sensitive help topics. They are also available from the keyboard, many as function keys.

This screen shot shows a Sudoku Dragon puzzle being solved at 'beginner' level. Many of the possible Sudoku square allocations are color coded to make solution easier. All occurrences of the number 8 have been highlighted using the possibility toolbar.

Any squares that might possibly take the number 8 are indicated by a small number in the top left corner. This is one of the many optional features of Sudoku, experts may want to work these out for themselves. The square Ci is one that can be easily solved, the region Ag has an '8' missing and because of the occurrence of '8's in column Gg and Fh, Ci is the only square in the row that a 8 can be allocated in this region. Two of the '8's are highlighted (this is optional) to indicate they can not be allocated in the squares Ab and Cf. Cf is not possible because 8 must go in Ci in the same row C. Similarly 8 can't go in Abbecause in region Aa it must occur in row B Edand Da forces the 8 into either Bb or Bc it can't go in Ab. To make this clear, the program highlights these possibilities for '8' are highlighted with a dark background. These features, as well as many others, are selectable to match your level of skill, providing just the right amount of assistance you need for solving a puzzle.

You can download Sudoku Solver for free 23 day trial from our download page.