Returns a positive square root.
Number is the number for which you want the square root.
If number is negative, SQRT returns the #NUM! error value.
The example may be easier to understand if you copy it to a blank worksheet.
How to copy an example
- Create a blank workbook or worksheet.
- Select the example in the Help topic.
Note Do not select the row or column headers.
Selecting an example from Help
- Press CTRL+C.
- In the worksheet, select cell A1, and press CTRL+V.
- To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
||Square root of 16 (4)
||Square root of the number above. Because the number is negative, an error is returned (#NUM!)
||Square root of the absolute value of the number above (4)