# MathJax Demo

This is intended to be a page to demo using MathJax with nikola

\( x \in X \)

\[ \sum_{j=1}^n j = \frac{n(n+1)}{2} \]

This is intended to be a page to demo using MathJax with nikola

\( x \in X \)

\[ \sum_{j=1}^n j = \frac{n(n+1)}{2} \]