Fenghe’s LaTex Cheat Sheet

All the LaTex are based on the WordPress Jetpack Latex Plugin and the KaTex used by Evernote(macOS). This Cheat Sheet is updated constantly when I find some insteresting yet hard to type LaTex symbol.



Logical Exclusive OR


Yields in One Step – Vdash


Plus Minus Sign


Less Than


In Evernote

In Jetpack

Less Than or Equal to


Center Text in WordPress

In some Latex context, you may use $$some text here$$ to make the LaTex Math formula center, but in WordPress with the Jetpack plugin, the only way I found to do that is to insert customized HTML.

For example, to insert 2^2 and center it as a formula



  1. https://jetpack.com/support/beautiful-math-with-latex/
  2. vdash: https://tex.stackexchange.com/questions/100941/how-do-i-get-the-single-turnstile-symbol
  3. Yields in one step: https://www.cs.unc.edu/~plaisted/comp455/slides/pda3.3.pdf