> ## 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.

# Sign

Returns the sign of a number: -1 if negative, 1 if positive, 0 if zero.

**Category:** `math`

**Syntax:**

```
Sign([number_column])
```

**Returns:** `IntColumn`

**Context Filtering:** ✓ Yes

## Parameters

| Name     | Type             | Required | Description                                            |
| -------- | ---------------- | -------- | ------------------------------------------------------ |
| `number` | `number\|column` | ✓ Yes    | The number or column of numbers to return the sign of. |

**Allowed Column Types:** INT, FLOAT, DECIMAL

## Validation

* Minimum parameters: 1
* Maximum parameters: 1

## Examples

```
Sign(-3)
```

Returns -1 for negative numbers.
**Result:** `-1`

```
Sign(3745)
```

Returns 1 for positive numbers.
**Result:** `1`

```
Sign(0)
```

Returns 0 for zero.
**Result:** `0`

## Related Functions

* [Int](int) - Round down to nearest integer