Apparently the mathjax CDN is closing at the end of April. Our blog has a MathJax plugin that uses this CDN, so we will be affected (if anyone uses it).
This is a test to see if I can use it!
Simple shortcode version \(E=mc^2\)
Native format $$E=mc^2$$
Not getting far \(x^2\).
Ah ha, need to select not default from the plugin configuration.
f(x)=x^2 = 4