HTML math symbols

See http://www.dionysia.org/html/entities/symbols.html.

HTML test:
← → ↓ ↑ ↔
⇐ ⇒ ⇓ ⇑ ⇔

← → ↓ ↑ ↔ ⇐ ⇒ ⇓ ⇑ ⇔

×

Scaling factors for printing:
TAC: 112%
JPAA: 128%
CTGDC: 124%

$P(E) = {n \choose k} p^k (1-p)^{ n-k}$ \[\int_{-\infty}^{\infty} e^{-x^2}dx.\]

$$\begin{CD} A @>a>> B\\ @VVbV @VVcV\\ C @>d>> D \end{CD}$$