# Usage

## Macro

Insert the Markdown macro.

![Markdown for Confluence](https://3588362646-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Ma7ua4NoSptEMaVrDMS%2Fuploads%2FBsAcFSK6Akk9tIRUyCSH%2Fimage.png?alt=media\&token=1e244cac-cbf6-400f-9ad0-638642536001)

Type the Markdown content, and click the **Check icon** at the top left corner.

![Markdown for Confluence](https://3588362646-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Ma7ua4NoSptEMaVrDMS%2Fuploads%2FBNt8pLx11Vh6jy4d5oZU%2Fimage.png?alt=media\&token=ba1b9107-6964-43e3-99e7-e7d389f6f188)

Publish the Confluence article.

![Markdown for Confluence](https://3588362646-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-Ma7ua4NoSptEMaVrDMS%2Fuploads%2FJ3ZRhjWOKg8HTvSb3y1e%2Fimage.png?alt=media\&token=2416c2c7-3e2a-4f42-98a1-5a921231a04f)

## Syntax

### KaTeX

You can render LaTeX mathematical expressions using [KaTeX](https://khan.github.io/KaTeX/):

```markdown
$$
\Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,.
$$
```

$$
\Gamma(z) = \int\_0^\infty t^{z-1}e^{-t}dt,.
$$

> You can find more information about **LaTeX** mathematical expressions [here](http://meta.math.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference).