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[SOLVED] Mathjax and adding in our own commands


Well-known member
Feb 1, 2012
Does the site have the ability to add in its own commands to preamble Mathjax's uses on this site?

I hate having to do Latex Code:



Can we add Latex Code:


to the site preamble if that is possible so we can use the command Latex Code:


for unit vectors?

Also, I bet others have suggestions for commonly used code.

For bold Greek letters, we could have

Latex Code:


Greek unit vectors

Latex Code:


No \ in the code but $ wouldn't show up otherwise.
Last edited:


Indicium Physicus
Staff member
Jan 26, 2012
Re: Mathjaxs and adding in our own commands

As mentioned somewhere else, \newcommand and \renewcommand work on a post-by-post basis.