[NTG-context] Making math smaller

Hi again, I promise this is my last question now - it's 1:00 AM here, I'm starting to sleep;). But how do I make my math smaller? {\tfx\math{a^2+b^2=c^2}} won't work. Best, -- Marcin Borkowski http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski Adam Mickiewicz University