y = x^2cf.

Some tips discoverd. Write down for later usage. You maybe find something not clear, it is normal since it is for myself. If something is good, a new post will be published.<!-- more --> More can be seen in 使用不蒜子添加访客统计.

This article listed some common $\LaTeX$ mathematical symbols, especially those hard to remember ones. The list may not be as useful for you as for me, since people's majors varies, but hope it can help you.<!-- more --> Here is the reference of this article, which concludes much more.