Calculator is described as 'The built in Calculator on the iPhone. Calculator is two calculators in one: rotate it to landscape to transform it from basic to scientific' and is an app in the Education & Reference category. There are more than 50 alternatives to Calculator for a variety of platforms, including Android, Mac, iPhone, iPad and Online / Web-based. The best alternative is Numi, which is free. Other great apps like Calculator are Calculator (Free), RealCalc Scientific Calculator (Freemium), Simple Calculator (Free, Open Source) and Calculator N+ (Free, Open Source).
A multipurpose calculator app with slick and intuitive user interface. Access additional features from the main screen of the app using gestures. It has a big variety of built-in functions and supports adding new user-defined functions.