Complete the following steps using the sample Excel 2010 budget worksheet show just above this activity.
1) Use the white pointer to zoom to 120%.
2) Use the solid black arrow to widen column C to 10.00 points.
3) Use the auto fill handle to fill in the months from February to June.
4) Use the auto fill handle to copy the monthly salary amount from January through to June.
5) Use the Click-Shift-Click Method to select the expenses range from cell B7 to B11. Then use the auto fill handle to copy the amount over to columns D through G for the same rows.
6) Move the months of the year over one column to match up with the amount data in the salary row.
7) Compare your final worksheet to see if it matches the final version shown below:

Source: Marie E. Arriaga
Although this tutorial doesn't get into the square root functionality, I have been able to find a link describing the process for you. I hope it answers your question. If not, please explain a bit further and I will try to find the answer for you. Here is the link - http://spreadsheets.about.com/od/excelfunctions/qt/090620_square_root_in_Excel.htm