[1] The MathJax Processing Model — MathJax 1.1 documentation ( (5/9/2013, 8:22:04 AM 版)) <http://docs.mathjax.org/en/v1.1-latest/model.html>

<script type="math/tex; mode=display">
  \sum_{n=1}^\infty {1\over n^2} = {\pi^2\over 6}
</script>