Calculator: Pro

Calculator: Pro is a versatile calculator with both basic and scientific modes for demanding users. It handles arithmetic, roots, powers, trigonometry (degrees/radians), engineering and hyperbolic functions, and keeps a history with copy/share features and memory banks. It also offers currency conversion across 30+ currencies and unit conversion across 60+ measures in over 10 unit types, such as length, area, volume, and temperature. Users can customize decimal places and notation, and switch between portrait and landscape modes.

The app includes 10+ themes (including several dark options) for a personalized look, and supports Apple ID-based subscriptions for extended features. Privacy policy and terms of use are available for review.