Calctan is a calculator application for iOS devices that offers a minimalist and elegant design along with a range of additional features. With its customizable color themes and interface options, this app allows users to personalize their calculator experience.

Beyond the basic arithmetic functions, Calctan provides advanced mathematical operations such as square root, power, logarithm, and trigonometry, making it a useful tool for users in various fields such as mathematics, physics, and engineering. The app also includes a calculation history feature, enabling users to review and edit their previous calculations.

Key features of Calctan include an intuitive design that focuses on essential elements, support for advanced mathematical operations, automatic calculation history saving, and interface customization with different color themes. Additionally, Calctan offers iCloud syncing between devices, split-screen mode for iPad users, swipe mode for multitasking, and the ability to share calculation results with others.

With 100 pre-installed themes, 47 built-in mathematical functions, the option to calculate with degrees or radians, and a user manual for reference, Calctan provides a comprehensive set of features to meet the needs of users seeking a versatile calculator app.