What is ISFORMULA function in Excel?
ISFORMULA function is one of the Information functions in Microsoft Excel that checks whether there is a reference to a cell that contains a formula, and returns TRUE or FALSE.
Syntax of ISFORMULA function
ISFORMULA(reference)
The ISFORMULA function syntax has the following arguments.
- Reference: Reference is a reference to the cell you want to test. Reference can be a cell reference, a formula, or a name that refers to a cell.
ISFORMULA formula explanation
- If reference is not a valid data type, such as a defined name that is not a reference, ISFORMULA returns the #VALUE! error value.
Example of ISFORMULA function
Steps to follow:
1. Open a new Excel worksheet.
2. Copy data in the following table below and paste it in cell A1
Note: For formulas to show results, select them, press F2 key on your keyboard and then press Enter.
You can adjust the column widths to see all the data, if need be.
| Formula | Description | Result |
| =TODAY() | Returns TRUE because =TODAY() is a formula. | TRUE |
| 7 | Returns FALSE because 7 is a number, not a formula. | FALSE |
| Hello, world! | Returns FALSE because “Hello, world!” is text, not a formula. | FALSE |
| =3/0 | Returns TRUE because, although dividing by 0 results in an error, the cell does contain a formula. | TRUE |