Sanjay, my colleague is an avid programmer and excel enthusiast. In his spare time he wrote a small VBA macro to solve Sudoku. Sudoku is a very famous number based puzzle with a 9×9 grid of cells. Each of the 9 rows, columns and 3×3 blocks should be filled in such a way that they have all the numbers from 1 to 9. Sudoku is a very effective way to keep your brain cells ticking. I am a huge sudoku fan and I solve sudoku whenever I have few minutes to kill. So naturally I jumped with joy when I saw Sanjay’s excel macro for solving sudoku. He is kind enough to let me share this with all of you.

Click here to download the sudoku solver workbook. It has macros, so enable them when you download the file.
The file is unlocked, so if you are curious, go around and poke the code.
And if you are interested in writing your own sudoku solver, here is a basic algorithm:
- While Sudoku is not solved,
- Check if any row, column or 3×3 block has ‘n’ cells such that, (n>1)
- All possible values in those ‘n’ cells are exactly ‘n’ unique values
- For each block of such cells,
- Remove the occurrences of the ‘n’ unique values from remaining cell’s possible’s list in that row / column / 3×3 grid
- Check if any cell has more than one possible value. If so, Sudoku is not solved.
- Check if any row, column or 3×3 block has ‘n’ cells such that, (n>1)
- Do While














11 Responses to “Use Alt+Enter to get multiple lines in a cell [spreadcheats]”
@Chandoo:
One more useful trick.......
In a column you have no. of data in rows and need to copy in the next row from the previous row, no need to go for the previous rows but entering Alt + down arrow, you will get the list of data, (in asending order), entered in the previous rows...
This is another great tip. I use this all the time to make sense of some *very* long formulas. As soon as the formula is debugged I remove the break.
Great tip Chandoo!
I use this feature often and it has even gotten the, "how did you do that" response.
Thanks!
@Ketan: Alt+down arrow is an awesome tip. I never knew it and now I am using it everyday.
@Jorge, Tony: Agree... 🙂
[...] Day 1: Insert Line Breaks in a Cell [...]
how can we merge a two sheet.
excellent idea. Chandoo you are genious
Hi chandoo,
I have used ctrl+enter to break the cell. But I did not get the result.
Please tell me how can i break the cell in multiple lines.
Hi, Ranveer,
Its not Ctrl+enter to break the cell, use Alt+Enter to make it happen.
hi Chandoo....
how we can use Alt+Enter in multiple rows at the same time please reply hurry i have lot of work and have no time and i m stuck in this. 🙁
Alt+J worked once 🙁
So I found another more reliable way:
=SUBSTITUTE(A2,CHAR(13),"")
Where A2 is the cell that contains the line breaks which the code for it is CHAR(13). It will replace it with whatever inside the ""