The Excel ISLOGICAL function is used to check for a logical value (ie: TRUE or FALSE). This function returns TRUE if the value is a logical value such as TRUE or FALSE.
Purpose of Excel ISLOGICAL Function
Test if a value is logical.
Return value
This function returns a logical value (TRUE or FALSE).
Syntax
=ISLOGICAL (value)
Arguments
| Arguments | Description | Remarks |
| value | The value to test as logical | Mandatory |
Usage notes
- This function is part of a group of functions called the IS functions, which are often used to test the result of formulas for errors.
- Normally, value is supplied as a cell address.
Availability
Since 2007 for Windows.
Since 2011 for Mac.