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Free online 3 dimensional graphing calculator?

Freeman
in Mathematics

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Is there a good 3 dimensional (cartesian coordinate system) graphing calculator online anywhere? Again I have tried several times but couldn't find anything free AND good...

I've used gnuplot a few times (mostly combined with octave). It's terminal driven even on windows I believe, but is free (as in freedom and price too ;))

 

gnuplot

 

I believe this in the win download, something like the /bin folder should have the executable binary to run.

 

gnuplot win binary

 

There is a link to the documentation on the home page in the bottom right, works good for me, but I wouldn't mind a nice gui graphing app too. This looks like it might be worth a try as well

 

graphcalc

Unfortunately the quality of the TI-89 3D graphs isn't particularly brilliant (I find it quite hard to orient them, and the perspective seems a little funny). I would go with the gnuplot idea myself.

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