Разработчик приложения Calc+ Free: EricJohnson
Scientific Calculator
Scientific calculator with advanced features.
Simple or advanced mode, just by turning your phone.
Get the paid version for more features including unit convertions, loan calculator.
Ver 1.0.8:
Fixed back button not exiting.
Fixed larger screens.
Added Deg,Rad,Grad options.
Ver 1.0.4:
Fixed % key to be more natural (i.e. "10-10%=9")
Fixed rounding errors.