# LOG

Return the logarithm of x to the given base.

## Syntax

```
LOG(base, input)
```

## Arguments

| Name | Type |
| --- | --- |
| base | numeric |
| input | numeric |

## Returns

`Double`

***

## Examples

| base | input | Output |
| --- | --- | --- |
| 2 | 2 | 1.0 |
| 0.5 | 1 | 0.0 |
| 5 | 0.04 | -2.0 |
| 10 | 0 | "-Infinity" |
| 1 | 10 | "Infinity" |
| 10 | -2 | nan() |