Yes, it does. Supported extensions here [1]. Two more notable ones are mathtools and physics, both of which make writing latex on the web much more pleasant. [

Yes, it does. Supported extensions here [1]. Two more notable ones are mathtools and physics, both of which make writing latex on the web much more pleasant. [1] https://docs.mathjax.org/en/latest/input/tex/extensions/index.html https://docs.mathjax.org/en/latest/input/tex/extensions/inde...