Excel's powerful mathematical toolkit includes functions for square roots, cube roots, and even nth roots.

Our review of these techniques will focus on manual formula entry, but check out our tutorial on using Excel if you need a refresher on entering formulas for core functions. The syntax of a function refers to the layout of the function and includes the function name, parentheses, comma separators, and arguments.

Calculate a square root. The syntax for the SQRT() function is:

For this function, you only need to specify the number argument, which is the number for which to find a square root. It can be any positive number or a cell reference to the location of the data on a worksheet.