1 Abstract
A Request for Discussion (RFD) is a version-controlled description of a process written in natural language. A process is any ordered list of actions which intends to achieve a defined goal.
2 Inline Math
Use single dollar signs for inline math: E = mc2
3 Display Math
Use double dollar signs for display equations:
$$ \int_{-\infty}^{\infty} e^{-x^2} dx = \sqrt{\pi} $$
4 Multiple Lines
$$ \sum_{i=1}^{n} i = \frac{n(n+1)}{2} $$