---
page_title: signum function reference
description: The `signum` function determines the sign of a number. 
---

# `signum` Function

`signum` determines the sign of a number, returning a number between -1 and
1 to represent the sign.

## Examples

```shell-session
> signum(-13)
-1
> signum(0)
0
> signum(344)
1
```
