This sample demonstrates how MathJax math can be scaled to any size and provides the same high display quality.
\[
g\frac{d^2u}{dx^2} + L\sin u = 0
\]
Math with font-size set to 500%
\[
g\frac{d^2u}{dx^2} + L\sin u = 0
\]
Math with font-size set to 200%
\[
g\frac{d^2u}{dx^2} + L\sin u = 0
\]
Math with font-size set to 75%