# Render LaTeX using KaTeX

Enable katex by adding katex = "true" to the front matter

+++
katex = "true"
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If you want to enable KaTeX or MathJax for all post, add katex = ture or math = true in config.toml in [params] section.

It’s almost a dropin alternative to the mathjax solution,you should just choose one of them.

Inline math looks like this

This is text with inline math $\sum_{n=1}^{\infty} 2^{-n} = 1$


This is text with inline math $\sum_{n=1}^{\infty} 2^{-n} = 1$
and with math blocks:

$$\sum_{n=1}^{\infty} 2^{-n} = 1$$


$$\sum_{n=1}^{\infty} 2^{-n} = 1$$