Warning: This page contains math that will make your eyes bleed.
Or, you know, maybe that's just your soul.
Parabolic curves are a mathematical abomination, a travesty that defies the laws of sanity and good taste.
They're like a bad joke that won't end. A curve that just keeps on curving, a parabola that's just too darn parabolic.
But, hey, if you're into that sorta thing, you can learn more about them here. (No promises, though.)
(Don't say we didn't warn you.)