# Help:Mathematics

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- Math is handled by the LaTeX typesetting system
- Don’t use equation numbers
- Indent block equations with a colon (see examples below)
- The Mediawiki software renders PNG images for all equations

## Examples

Example short equation:

: <math> E = mc^2 </math>

renders like this:

Here's Ferguson & Church (2004^{[1]}) version of the Stokes equation:

:<math>w = \frac{R g D^2}{C_1 \nu + \sqrt{0.75\,C_2\, R g D^3}}</math>

## Style

- Constants and names or label are roman (i.e. upright, not italic):
*V*_{P}. Use**\mathrm{P}**in LaTeX math. - Pi, e, the differential d, and lots of other symbols are usually roman
- Variables are italic (the default character style in LaTeX math)
- Vectors are roman and bold (use
**\mathbf{}**— it's best to avoid**\vec{}**, which uses the arrow notation) - Use the built-in LaTeX functions for
**\sin**,**\log**, etc.

## External links

## References

- ↑ Ferguson, R. and Church, M. (2004) A simple universal equation for grain settling velocity. Journal of Sedimentary Research 74, 933–937.