Table of Contents
This guide explains how to use ISODD Function in Excel, including its syntax, required arguments, practical examples, and common errors.

Description: The function returns True if the value is odd. Application of functions to check odd and even numbers.
Syntax: ISODD (number)
Inside:
- number: The value to check is an odd number or not, is a required parameter.
Attention:
- The function returns True value if that value is an odd number and vice versa, the function returns False value .
- Where value is blank -> the function considers it as a value 0 -> returns False.
- Where the value is not a numeric value -> the function returns the #VALUE! Error value
For example:
Determine whether the values in the value are odd or not.

- In the cell to calculate enter the formula : = ISODD (C6)

- Press Enter -> return value is:

- Similarly copying the formula for the remaining values results:

- Where value is blank -> function returns False value :

- Where the value is not a numeric value -> the function returns the #VALUE! Error value

Above are instructions and some specific examples when using ISODD function in Excel.
Good luck!
FAQ
What does the ISODD function do in Excel?
The ISODD function performs the calculation described in this guide. Use the correct arguments and compatible data types for reliable results.
How do I enter the ISODD function correctly?
Start with an equals sign, enter ISODD, add the required arguments inside parentheses, and confirm that cell references and separators are correct.
Why does the ISODD function return an error?
Common causes include missing arguments, invalid data types, incorrect cell references, unsupported values, or regional separator settings.
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