[kde-doc-english] Misspell in Cantor doc

[Antoni Bella Pérez]

  Hi

  Qualculate -> Qalculate



<guilabel>Maxima</guilabel> page), &kalgebra;, Octave, Python2, Qualculate, 

output for Maxima, Qualculate! and Sage backends.


  Regards
  Toni