Test of ASCIIMathML
http://affor.es/plataforma/main/inc/lib/javascript/asciimath/asciimath.html
$$ d/dxf(x)=lim_(h->0)(f(x+h)-f(x))/h $$
$$ frac{P}{K} $$
http://affor.es/plataforma/main/inc/lib/javascript/asciimath/asciimath.html
$$ d/dxf(x)=lim_(h->0)(f(x+h)-f(x))/h $$
$$ frac{P}{K} $$