12 November 2006

Sudoku Tips

Sudoku Tips from sudoku.org.uk: 
Paul Bowden has some tips for all those solvers who have set up spread-sheet programs as work sheets:

Further to all of the Excel-based tips, and how best to unwind to an earlier position after a wrong guess, the following make might things easier.

Don’t forget that ctrl-Z will unwind the last action. Simply tap ctrl-Z until you get back to where you were.

You can make it a bit easier to get back to where you were by setting a spare cell, with =sum(A1:I9), assuming that your grid is in A1 to I9. Before you start your guess, note down the current total. Simply unwind with ctrl-Z until you get back to where you were. If you overshoot, ctrl-Y will wind you forward.

13 November 2006

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Sudoku Tips

Sudoku Tips from sudoku.org.uk: 
Paul Bowden has some tips for all those solvers who have set up spread-sheet programs as work sheets:

Further to all of the Excel-based tips, and how best to unwind to an earlier position after a wrong guess, the following make might things easier.

Don’t forget that ctrl-Z will unwind the last action. Simply tap ctrl-Z until you get back to where you were.

You can make it a bit easier to get back to where you were by setting a spare cell, with =sum(A1:I9), assuming that your grid is in A1 to I9. Before you start your guess, note down the current total. Simply unwind with ctrl-Z until you get back to where you were. If you overshoot, ctrl-Y will wind you forward.

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Sudoku is a popular logic placement puzzle that has been gaining popularity lately. This puzzle is also sometimes called a “Number Place” puzzle, which you can often find in local newspapers and magazines. The goal is to place the numbers 1 through 9 into the grid such that each row, each column and each sub-square contains all 9 numbers. There is no math involved. All you need is patience and logical ability. See what all the fuss is about with our interactive online Sudoku puzzles.

Sudoku Logic Puzzle