# LOG

The LOG function returns the logarithm of a number to the base specified.

## Syntax

```javascript
log (value, base)
```

## Arguments

value - The positive real number for which you want the logarithm. This is a required argument.

base - The base of the logarithm. This is a required argument.

## Example

```javascript
log (COLUMN1, 10)
```

Returns the Log to the base 10 of COLUMN1

## Excel equivalent

[LOG](https://support.microsoft.com/en-us/office/log-function-4e82f196-1ca9-4747-8fb0-6c4a3abb3280)


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