by Quartic Software
Download this app if: you need a versatile scientific calculator.
Android's #1 Scientific Calculator. A fully featured scientific calculator which looks and operates like the real thing.
Looking for fractions? Degrees/minutes/seconds? Landscape mode? You need RealCalc Plus. See elsewhere on this page for the link, or select 'Upgrade' from the RealCalc...
Best Calculator — I tried several calculators and this is the best for what I need. It is not graphical and it is not programmable, so if you need these qualities, you need something else. But if you need basic, easy to use dependable calculator, this one is a way to go.