# Mathjax not working

**URL:** https://meta.discourse.org/t/mathjax-not-working/130558
**Category:** Support
**Created:** [October 9, 2019, 10:11am UTC](https://meta.discourse.org/t/mathjax-not-working/130558 "2019-10-09T10:11:25Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)
#### Post date: [October 9, 2019, 12:02pm UTC](https://meta.discourse.org/t/mathjax-not-working/130558/4 "2019-10-09T12:02:57Z")

</div>

\frac{a}{b} will render the expression inline, which can be quite small, especially for fractions. To render larger expressions, use the block format

\frac{a}{b}

More examples can be found here:

> [@Discourse Math](https://meta.discourse.org/t/discourse-math-plugin/65770):
>
> discourse2Summary Discourse Math uses [MathJax](https://www.mathjax.org/) (default) or [KaTeX](https://katex.org/) to render maths in your Discourse forum.open_bookInstall Guide This plugin is bundled with Discourse core. There is no need to install the plugin separately. Enabling Math The Math plugin can be enabled from its settings, accessed from your admin/plugins page: [Math settings] Features Once enabled, you can render inline math by wrapping with a single $ like so: $E=mc^2$. You can render blocks of math…

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