what is calculus used for? | jeff heys | tedxbozeman Published 12 years ago • 1M plays • Length 8:51 Download video MP4 Download video MP3 Similar videos 20:37 why teach calculus?: daniel ashlock at tedxguelphu 38:32 why is calculus so ... easy ? 7:43 calculus, what is it good for? 21:35 the nature of mathematics: michael randy gabel at tedxgeorgemasonu