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SQRT
See Also
Returns a positive square root.
Syntax
SQRT(number)
Number is the number for which you want the square root.
Remark
If number is negative, SQRT returns the #NUM! error value.
Example
The example may be easier to understand if you copy it to a blank worksheet.
How?
- Create a blank workbook or worksheet.
- Select the example in the Help topic. 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 Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.
|
A |
Data |
-16 |
Formula |
Description (Result) |
=SQRT(16) |
Square root of 16 (4) |
=SQRT(A2) |
Square root of the number above. Because the number is negative, an error is returned (#NUM!) |
=SQRT(ABS(A2)) |
Square root of the absolute value of the number above (4) |
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