MS Excel: ISNUMBER Function (WS)
In Microsoft Excel, the ISNUMBER function can be used to check for a numeric value.
Syntax
The syntax for the ISNUMBER function is:
ISNUMBER( value )
value is the value that you want to test. If value is a numeric value , this function will return TRUE. Otherwise, it will return FALSE.
Applies To
- Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000
Type of Function
- Worksheet function (WS)
Worksheet Function Example
Let's take a look at an example to see how you would use the ISNUMBER function in a worksheet:
Based on the Excel spreadsheet above, the ISNUMBER function would return the following:
| =ISNUMBER(A1) | would return TRUE |
| =ISNUMBER(A2) | would return TRUE |
| =ISNUMBER(A3) | would return TRUE |
| =ISNUMBER(A4) | would return FALSE |
| =ISNUMBER(5) | would return TRUE |
| =ISNUMBER("5") | would return FALSE |