> ## Documentation Index
> Fetch the complete documentation index at: https://docs.anlytic.com/llms.txt
> Use this file to discover all available pages before exploring further.

# IsOdd

Returns True if the integer is odd, False if it is even.

**Category:** `math`

**Syntax:**

```
IsOdd([number_column])
```

**Returns:** `BooleanColumn`

**Context Filtering:** ✓ Yes

## Parameters

| Name    | Type              | Required | Description                              |
| ------- | ----------------- | -------- | ---------------------------------------- |
| `value` | `integer\|column` | ✓ Yes    | The number or column of numbers to test. |

**Allowed Column Types:** INT

## Validation

* Minimum parameters: 1
* Maximum parameters: 1

## Examples

```
IsOdd(2)
```

Tests whether 2 is odd.
**Result:** `false`

```
IsOdd(3)
```

Tests whether 3 is odd.
**Result:** `true`

## Related Functions

* [IsEven](iseven) - Test if a number is even