Su Doku Assistant

This displays the 'possibles' for each cell in a SuDoku quiz.

Enter your data using a dot "." for space (as sample data at foot of page) into a word processor (I used WordPad with Courier font) then Edit>Select All>Copy and paste into the upper text area of this calculator page.

Click on Start - the lower text area displays data - the upper rows are the results; those below are possibles. Click "1" to transfer any single possibles to the result and recalculate possibles.

The Column button looks for any number occuring just once in a column and sets the corresponding possible position. Rows and Blocks (3x3 cells) perform similar actions.

If these selections cannot find an answer, then Guess - I choose the first cell with two possibles (eg 25) and enter the lower alternative (2). Continue with 1, Column, or Row buttons. You may have to restart and then enter alternative guess (5).

Undo will go back one step while Check OK will confirm your result.

Press F11 key for full-screen display if necessary.



Sample data

96 mild 19 Mar 05

1....8.45
876..4.2.
.....9.8.
712......
....9....
......516
.2.8.....
.8.5..194
64.9....2


95 fiendish 18 March 05 - guess row 9, colm 4, value 6

.6.....2.
...476...
..19.24..
8..5.4..1
....1....
6..8.3..2
..67.95..
...385...
.3.....4.


93 difficult 16 March 05

...1.6.2.
7....25..
.12...3..
85..6...2
...9.4...
4...8..35
..5...79.
..84....3
.6.5.9...


89 fiendish

....9..3.
......87.
...4...91
6.5..71..
8..1.4..7
..23..9.6
51...2...
.37......
.6..5....


88 fiendish

..8.54..7
..4..75..
....8..9.
2.7......
...6.8...
......2.4
.6..7....
..54..1..
1..53.9..


87 difficult

.63.7...8
..1...5..
.....4..2
.5..491..
..2...6..
..476..2.
4..6.....
..5...3..
6...8.95.


86 mild

.2.4.5.8.
.67...23.
..5...6..
1..283..4
.........
5..719..6
..1...3..
.78...46.
.4.9.6.5.