The blue "Main Form" puzzle on the left is for the actual puzzle, the red "Puzzle Helper" on the right is an aid to assist you in solving the puzzle.  The red Puzzle Helper can be used as a scratch pad to keep tract of things or can provide assistance when the Puzzle Helper is clicked.

To start, enter Sudoku starting values onto the blue Main Form on the left.  After all values have been entered correctly, click "Puzzle Entered."

Reset the puzzle to its starting values by clicking the "Reset to Start" button.  To initialize (erase) the whole puzzle, click "Reset."
 
Some puzzles may require a branching decision (a guess) for some entries.  Before executing such a decision, save the present state of the puzzle with "Remember" and go back to that point at any time with "Remembered."

A daily puzzle is provided for when you do not have your own puzzle to solve.  These can be accessed in the Today's Puzzle section with the "A" through "D" buttons.  "A" gives the easier puzzle and "D" the harder puzzle, with "B" and "C" in between in difficulty. 

To change the size of the display, click the "Size" button.

You can have Sudoku 123456789 try to solve your puzzle at any time by clicking "Solve Puzzle."

Comments on the Puzzle Helper can be sent to Sudoku 123456789 by clicking the "Comments" entry.

                         Main Form                                            

     Today's Puzzle:      
                                                                                                                             A (easier) to D (harder)                                  Comments