GitHub updates:

GitHub announced today that math expressions can now be displayed in Markdown on GitHub using "$$" as a delimiter for code blocks with math content or the "$" delimiter for embedded math expressions.

According to GitHub, mathematical expressions have become essential for sharing information between engineers, scientists, data scientists, and mathematicians.

MathJax is an open-source JavaScript-based mapping engine that supports a wide range of LaTex macros, as well as several special feature extensions.