Sunday, February 26, 2006

Sudoku Excel Helper

Rather than struggling with a pen and paper, solve your Sudoku puzzles using Excel.

No this is not a "solver" - it will not solve it for you. It just gives you a handy layout to be able to solve them;
  • highlite fixed initial numbers (you enter them and then run the simple 'Hilite' macro to make them blue & bold)
  • shows totals in light gray on the side so you can tell when you've solve the puzzle correctly (i.e. all the squares will show 45)
  • when starting a new puzzle just delete all squares, fill in new fixed numbers and run hilite macro again (shortcut: Ctrl-H).
You may get a Excel macro warning when opening the spreadsheet. To be able to run macros, go to: Tools > Macros > Security, and select Medium or Low. Then close Excel and re-open. If prompted, choose Enable.

You can run the macro by going to Tools > Macros > Macros and run the 'Hilite' macro.

A non-macro version is also included in the zip file (but formatting will have to be adjusted manually).

Download link: www.ixnay2infinity.com/misc/sudoku_helper.zip

Hilite macro code:
Sub Hilite()
For c = 65 To 74
For i = 2 To 10
' reset formatting
Range(Chr(c) & i).Font.Color = RGB(0, 0, 0)
Range(Chr(c) & i).Font.Bold = False

' apply bold & blue if cell contains a value
If Range(Chr(c) & i).Value <> "" Then
Range(Chr(c) & i).Font.Color = RGB(0, 0, 200)
Range(Chr(c) & i).Font.Bold = True
End If
End Sub

[Keywords: Su Doku helper Excel not solver, Sudoku assistant]


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