Using the Excel ISODD Function

Summary
The Excel ISODD function returns TRUE when a number is odd, and FALSE when it is not.Syntax
=ISODD (number)Syntax Breakdown
NumberRequired. A value that will be tested to determine if it is odd or even. Typically supplied as a cell address.
Usage Notes
ISODD will check if a number is odd or even. If the number is odd the function returns TRUE. If even, the function returns FALSE.If the number argument is non-numeric, the function returns the #VALUE! error.