Calculator X with History is a user-friendly calculator application designed for iPhone users. The app features big buttons for easy operation and large, clear characters for effortless reading. It offers basic calculation functions like addition, subtraction, multiplication, and division, making it a handy tool for various calculations.

With the ability to store calculation results in history, users can easily track and reference their previous calculations. Additionally, the app allows users to copy both the results and formulas, enabling simple sharing and further calculations. Calculator X with History supports calculations with up to 15 digits, ensuring accurate results even with complex numbers.