Math Equation With Org Mode

LaTeX math snippets can be displayed on HTML pages which exported with org-mode. The default is to use the MathJax.

If $a^2=b$ and \( b=2 \), then the solution must be either $$ a=+\sqrt{2} $$ or \[ a=-\sqrt{2} \].

If \(a^2=b\) and \( b=2 \), then the solution must be either \[ a=+\sqrt{2} \] or \[ a=-\sqrt{2} \].

Some Mathjax display options can be configured via org-html-mathjax-options, or in the buffer, with #+HTML_MATHJAX or #+OPTIONS settings.

Here comes with some complex examples.

\begin{equation}
  \sqrt{3x-1}+(1+x)^2
\end{equation}

\begin{equation} \sqrt{3x-1}+(1+x)^2 \end{equation}

\begin{eqnarray}
  \nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} & = \frac{4\pi}{c}\vec{\mathbf{j}} \newline
  \nabla \cdot \vec{\mathbf{E}} & = 4 \pi \rho \newline
  \nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} & = \vec{\mathbf{0}} \newline
  \nabla \cdot \vec{\mathbf{B}} & = 0
\end{eqnarray}

\begin{eqnarray} \nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} & = \frac{4\pi}{c}\vec{\mathbf{j}} \newline \nabla \cdot \vec{\mathbf{E}} & = 4 \pi \rho \newline \nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} & = \vec{\mathbf{0}} \newline \nabla \cdot \vec{\mathbf{B}} & = 0 \end{eqnarray}