DOWNLOAD version 2.1A

the SUDOKU - helper / solver

Click here for an article on the technical and programming details.


What is a SUDOKU puzzle?
SUDOKU puzzles are number puzzles on a board of 9 * 9 fields.
Click HERE to review the SUDOKU game rules.

The SUDOKU - helper assists in solving a puzzle by providing
different levels of help.

Below is a reduced image of the SUDUKO - helper / solver.

SUDOKU - helper / solver is freeware.

It ships as a single (.exe) file. There is no installation procedure.
Just copy it to a map of your choice.
The Windows registry is not changed by the program.

Options :

standard:
- input of numbers for a new puzzle
- erase the board
- save puzzles on disc (.sdk extension)
- open puzzles from disc (.sdk extension)
- copy puzzle to clipboard
- paste puzzle from clipboard
- in-line help information
- while searching for solutions:

- take numbers back
- color difference between original numbers and numbers added
- reject wrong numbers already present in the row, column or group
- restore original puzzle

selectable:
- while searching for solutions:
- show options in open fields
- warn if erroneous board state occurs (zero-option field, missing options)
- indicate single choice fields
- automatic moves on single choice fields
- reduction of options per field, by analyses

Data

programmer	David Dirkse
size	290kB (1 .exe file)
system	Windows 95 +
screen resolution	minimal 600 * 800
color depth	minimal 16 bits
documentation	in - line help
programming language	Delphi
version	2.1A , sept. 2005

the Rules
The board has 9 * 9 fields which can be considered as:

1. 9 rows of 9 fields each
2. 9 columns of 9 fields each
3. 9 groups of 9 fields each

at the start, some fields contain a number 1 to 9.

A SUDOKU puzzle is solved if digits 1..9 appear just once in any row, column or group.

e-mail: david.math@hccnet.nl
website : http://home.hccnet.nl/david.dirkse/

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