> For the complete documentation index, see [llms.txt](https://docs.tabula.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tabula.io/data-transformation/formulas/math-functions/log10.md).

# Log10

Returns the logarithm of a numeric for the base 10

```mathematica
Log10(100) → 2
Log10(2.5) → 0.39
```

#### **Inputs**

`Log10(number)`

* `number`- A number expression