Just make sure you are consistent about where you write in the numbers. Building a Basic, Understandable Sudoku Solver Using Excel Iterative Calculation Part 1/2 Building a Basic, Understandable Sudoku Solver Using Excel Iterative Calculation Part 2/2 2 VBA. If you take a look at the example below, you'll notice that the candidates are nicely organized, and it is easy to scan the squares to see where all the twos might be. The image below shows an example grid with the extra boxes. Of course, you only need 9 at the most, but an extra won't hurt if you like to use a pen or don't want to waste your eraser. So, these grids have 10 little boxes above each of the cells for writing in the candidate numbers.
I can usually do sudoku puzzles faster if I am organized about where I place my pencil marks to indicate what the possible numbers are for a particular cell in the grid.
These sudoku grids are different from other grids you will find on hundreds of other websites. You can solve the puzzle completely, partially or solve a single cell using the buttons in the Solving section of the Features block. Solve Features Enter the numbers of the puzzle you want to solve in the grid. You can use this if you own Excel and are interested in changing the formatting. This solver offers a number of features to help you improve your solving skills and practice solving strategies. This download is a Microsoft Excel spreadsheet.
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