Cheng Tan's Website
LaTeX math cheat sheet
Cheat Sheet for LaTeX mathematics.
Typesetting Lyrics of Japanese/Chinese Songs with LuaTeX
In this post I present an example of typesetting Japanese Lyrics with Chinese translations using LuaTex.
Nice LaTeX Note Template
In this post I plotted a simple picture that can be used as a background figure in LaTeX documents for nice-looking notes.