I’m looking for program or an online web page that would do following:

Take a function of multiple variables, allow me to set one of the variables to a fixed value then simplify resulting function.

Is able to find partial derivatives of a function

Is able to find integral over a region. Preferably would give a function, otherwise would numerically integrate.

I think maple does this but I’m wondering if there is any freeware ?

  • 1
    $\begingroup$ wolframalpha.com can do a lot ... $\endgroup$ – Bram28 Feb 11 '18 at 21:06
  • $\begingroup$ I tried the wolframalpha and it seems to do what I want, at least with simple functions. I will try some more complicated stuff but so far so good. $\endgroup$ – steviekm3 Feb 11 '18 at 21:56
  • $\begingroup$ symbolab.com can be a little unwieldy sometimes, but it's worked well for me. I'm not sure if it does all of those things, but it's a start. $\endgroup$ – Robert Howard Feb 12 '18 at 0:31

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