Snac: from Org to HTML5

Inline example: \(\left[ \hat{H}, \hat{\boldsymbol Q} \right] = 0\).

Block example:

\begin{equation} \tau (\lambda) = \mbox{exp}~ \sum_{n=0}^\infty \frac{i_n}{n!} Q_n (\lambda - \xi)^n \tag{tau}\label{tau} \end{equation}