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cignox1

free mathematical application

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Hi, I hope this is the right thread for such a question. I need a (free) application to play a bit with polynomials, algebra, interpolation, because I need to study these topics (numerical analysis course) but I don't know how, for example, try to calculate the Lagrange interpolation polynomial for some points and so on (I hope you understand it better than I explain it). Thank you!

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If you're at a university, check to see if the math department has a site license for Maple or Mathematica. They're expensive commercial applications, but they're also the best ones out there and if your school has a license then you might be able to get them for free, or at least really really cheap. Otherwise, I can't think of anything that's free, let alone good.

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Guest Anonymous Poster
I can vouch for maple :) Although I didn't think too much of the documentation.

If your really stuck, there is always gnuplot ;)

-- Steven Ashley

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I think Octave will suit your needs perfectly. You may want also some extra toolboxes. (Octave is very similar to Matlab).

For symbolic math I recommend Maxima (I think you could say Maxima is similar to Maple).

And because all these are commandline tools you probably want to have a nice GUI. There are several for both of these, but one of the best is Texmacs (look at the screenshots!). Texmacs is actually an wysiwyg scientific editor with built-in programminglanguage (similar to LaTeX) and it can be used as a gui for many backends such as Maple, Matlab, Octave, Maxima, Python, and so on... And on top of this it has _the_ best typesetting I have ever seen on free software.

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