# Number.to_fixed

## Function

Format a number to specified decimal places.

## Syntax

```bt
number.to_fixed(digits)
```

## Parameters

| Parameters | Type | Required | Default value | Description |
| ------ | ------ | ------ | ------ | ------ |
| digits | Int | No | 0 | Number of decimal places; negative numbers are treated as 0. |

## Return value

| Type | Description |
| ------ | ------ |
| String | Returns a string with fixed decimal places. |

## Example

```bt
num = 3.14159
result = num.to_fixed(2)

// Output: 3.14
print result
```

## Notes

- The result is a string, not a number.