@kiarocks, what do you mean by 'it glitches out a lot'? If you are referring to the fact that it will not take certain keys at certain times, then it was meant to be that way. All operations must be included in the entering (ex. '300sin(x/250)' will not be accepted, but '300[b]*[/b]sin(x/250)' will). If that is not what you posted about, please explain.

Anybody else notice any 'glitching out' in edit mode? If so, please, please, explain exactly how it is 'glitching out', so I hopefully could re-produce it, and find and fix the problem.

For extreme expressions (either very long or very complicated), I did get some stack overflow errors. Probably need to increase the stack space for this one. I did like the effect of y = cos(x^2) out past x = 50 through 270 or so.

I have not seen that! In Greenfoot on my computer, in the .jar application, nor on the site. If anyone else experiences what kiarocks has, please advise. Thanks in advance.

@kiarocks, I could not say for sure about you using java 6 being the issue. As far as the 'theta' symbol, I think it would be best for me to resolve the stack space issue first, as making things more complicated and adding more method calls would just add insult to injury, if you know what I mean. I already have methods calling methods, that recall methods, etc. to parse formulas input by users.

@kiarocks, I could not say. Find a x value where they are different, and find out which has the y value that is correct. Then report back.

@kiarocks, does it match your computers grapher now? (I made it so when the exponent was '1/2' or '1/3', it would use Math.sqrt or Math.cbrt, instead of using Math.pow(factor, exponent)).

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

@joshbuhl, no. You are not missing anything. I did not think I had included to source to this at any time, but it does appear that I had. Do you need the code as well, or just the application?

For the application, if you can give me your e-mail address, I would be glad to forward it to you. If you do not wish to publicly show your e-mail address, click on my user picture, open my 'Private Messaging' scenario and supply it to me there. Then, post a note that you had done so, here.

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

I am very interested in your program. Can you send me the source code Greenfoot? Thank you in advance. (leacristol@hotmail.fr)