This one lets you write LaTex directly in an email if you have gmail. I think the people you correspond with have to have it as well.
This one makes images of Latex entries and also has symbols if you aren't good with LaTex code yet.
#LearningResources
#CoolLinks
#Math
Easy Math Editor
This discussion board is a place to discuss our Daily Challenges and the math and science related to those challenges. Explanations are more than just a solution — they should explain the steps and thinking strategies that you used to obtain the solution. Comments should further the discussion of math and science.
When posting on Brilliant:
*italics*
or_italics_
**bold**
or__bold__
paragraph 1
paragraph 2
[example link](https://brilliant.org)
> This is a quote
\(
...\)
or\[
...\]
to ensure proper formatting.2 \times 3
2^{34}
a_{i-1}
\frac{2}{3}
\sqrt{2}
\sum_{i=1}^3
\sin \theta
\boxed{123}
Comments
latexeditor.org
This one works well, too. It gives easy permanent links.