Details
For Math equations in entries - compose posts in itex, and converts them to XHTML+MathML, which advanced browsers like Mozilla can render.
$\sin(\theta)\cos(\theta)= \frac{1}{2}\sin(2\theta)$
is an inline equation.
\[
\int_{-\infty}^{\infty} e^{-x^2} dx = \sqrt{\pi}
\]
is a display equation.
Professor of Physics at the University of Texas at Austin. MT-hacker since 2002.