iTunes Link to Calculus Grapher I think it's self-explanatory what it does. Check out the screenshots in the link above. I personally think it's the most beautiful calculus grapher ever to hit the store (of course, I'm biased and of course it's in pretty colors and of course as far as I know it's the only grapher to graph derivatives and integrals ... numerically so some of the integrals are not quite right). Have fun and tell me what you think. If you send me a nice message I may decide to give you a coupon code! Thanks MacRumorians.