Calculator for iPad and iPhone offers both standard and scientific calculators in one easy-to-use app. Users can customize the application's appearance by changing colors and choose between basic and scientific modes with over 30 scientific functions. The History Tab allows you to review past calculations, and you can see the equation of your current calculations in real time. With precision up to 75 significant digits, this app supports parentheses and nested parentheses, and you can even customize button touch sounds with vibrations.

The Calculator app for iPhone provides a comprehensive solution for all your calculation needs, offering a user-friendly interface with advanced features for both everyday use and complex mathematical operations.