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From Medusa: Coordinate Free Mehless Method implementation
$a$
$$\int_a^b dx$$
\[ asdf \]
\begin{align*} a &= b \\ gg &=dd \end{align*}
\begin{align}
\label{eq:test}
a &= b \\
gg &=dd
\end{align}
To zgoraj je enačba \eqref{eq:test}.
Ena velika enačba s stevilko \eqref{eq:harm}.
\begin{equation} \sum\frac{1}{n} = \infty \label{eq:harm} \end{equation}