There was a very funny episode of The Big Bang Theory on television recently that involved the very same concept. I know Quark that the tele probably really isn't your thing, but I should not make assumptions. For a laugh you should go and check it out online. Sorry about summing a 0 to this thread btw.
MM
So I have been browsing several math apps, most of which I have no use for (Riemann sum calculators for integrals-don't need, basic calc references-don't need). But I was thinking that a CAS would be useful, maybe for solving hard differential equations or nightmare integrals. I found one such CAS app. Any experience in this realm?