http://www.linuxquestions.org – Published at LXer: Regardless which platform you are using, theres bound to be a calculator included in the stock OS. For simple calculation, these calculators work fine, but if you want to do more complex calculation, like solving an algebraic expression, it wont make the mark. Qalculate is a powerful calculator for Linux that can solve complex mathematical expressions, units conversion, graph plotting and many more sophisticated functions. Read More... (HowTos)