Great! Iwould appreciate the source, since I would modify it. Be happy to post/send you the result, though. I've sent you a pm (how the heck does your app get the user data?!) Thanks! j

Hi Dan, I'm a public schools teacher and I'd love to use this as a base in a c.s. course for 13th graders to implement some numeric methods like Newton's Method for finding roots. The green comment box states that it was uploaded with source, but there's no "open in greenfoot" and I can't find another way to download it (and I'm new here, so maybe I'm just missing something...). cheers, j