Mathematics Freeware?

  1. Do you guys know any free plotters?
    (or the sites/links to them)
    Any free program/software that can plot sequences?

    Such as
    A_n = sum(mod(floor(n/p^k),p)*(p/q)^k,k,0,n)
    A_n = sum(seq(mod(floor(n/p^k),p)*(p/q)^k,k,0,n))

    Which is
    [tex]A_n = \sum\limits_{k = 0}^n {\bmod \left( {\left\lfloor {\frac{n}{{p^k }}} \right\rfloor ,p} \right)\left( {\frac{p}{q}} \right)^k }[/tex]
     
  2. jcsd
  3. :smile: Thanks for the links, I'll check them out today
     
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