> For the complete documentation index, see [llms.txt](https://docs.cascade.io/cascade/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cascade.io/cascade/functions-and-expressions/functions/math/log.md).

# LOG

LOG(`number`, `base`)

Returns the logarithm of a `number` for a specified `base`

### Arguments

| Argument | Description                          |
| -------- | ------------------------------------ |
| `number` | Number to calculate logarithm of     |
| `base`   | Base value for logarithm calculation |

### Output

The logarithm of a number

### Example

{% embed url="<https://datawrapper.dwcdn.net/bT2VS/1>" %}