How about it? There are several really awesome calculator type programs that are for GNU/Linux Operating Systems but maybe one should be included in the actual Operating System?
Included Calculator for Algebra and more adcanced mathematics
Archived thread 1020977 from Ubuntu Brainstorm. Markdown source: Ubuntu_Brainstorm/thread_1020977_Included_Calculator_for_Algebra_and_more_adcanced_.md
I do Calculus (going on to Calc 2 after the holidays), and if I ever need something like this, I just use a graphing calculator like the TI-83/84 or the TI-89. Otherewise, gcalctool comes with an advanced and scientific modes, both of which do everything I need when I'm not using my graphing calculator.