<p>I'm trying to see the MathJax equations but all I can see is the <code>$$</code> with the text in it.</p>

<p>What's happening ? Do I need to install a plugin? I'm currently using Chrome as browser.</p>

<p>Example:</p>

<p>$$ 
accuracy = \frac{TP+FN}{TP+FP+TN+FN} 
$$</p>
