“Anyone who works with LaTeX knows how time-consuming it can be to find a symbol in symbols-a4.pdf that you just can’t memorize. Detexify is an attempt to simplify this search.”

MathJax is an open source JavaScript display engine for mathematics that works in all modern browsers.

function transform($text) { preg_match_all(“/[tex](.*?)[\/tex]/si”, $text, $matches); for ($i = 0; $i < count($matches[0]); $i++) { $position = strpos($text, $matches[0][$i]); $thunk = $matches[1][$i]; $hash = md5($thunk); $full_name = $this->CACHE_DI