List math:
• E = m c^2
E = m c^2
• A = \pi r^2
A = \pi r^2
Inline math: x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}.
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
Display math:
\int_a^b \! f(x)\,dx = F(b) - F(a).