by Quartic Software
Download this app if: you need a powerful scientific calculator.
RealCalc Plus is the pro version of Android's most popular scientific calculator.
RealCalc Plus is designed to look and operate exactly like a real hand-held calculator. It has all the standard scientific functions plus fractions, degrees/minutes/seconds, history, memories, customizable unit...
Lots of options — Very powerful scientific calculator, with loads of features. Cheaper and better than a real calculator too.