“Regardless which platform you are using, there’s 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 won’t 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.“Install Qalculate
“If you are using Ubuntu, you can get it from the Ubuntu
Software Center, or just install it via the command:”