一个单行的数学表达式

Simple inline \(a = b + c\).

一个多行的数学表达式

\[ \frac{\partial u}{\partial t} = h^2 \left( \frac{\partial^2 u}{\partial x^2} + \frac{\partial^2 u}{\partial y^2} + \frac{\partial^2 u}{\partial z^2}\right) \]

狭义相对论质能方程:

\(E = m * c^2\)