Xmart Calculator Pro is a powerful calculator app available for iPhone users. Developed by XH Liu, this app falls under the category of Utilities & Tools. With its full version license, users can enjoy all the features and functionalities offered by this app.

Xmart Calculator Pro is more than just a simple calculator. It allows users to perform complex calculations and solve mathematical expressions effortlessly. The app comes with a wide range of pre-installed functions, including common scientific and math functions. Users can also define their own custom algebraic functions with up to 9 parameters.

One unique feature of Xmart Calculator Pro is the ability to instantly calculate and display results as soon as the expression is updated. There is no need to tap the "=" button like on a traditional calculator. Additionally, users can save their calculations to the history and review or recall them whenever needed.

The app also offers step-by-step traceability, allowing users to see the detailed calculation process. Users can customize the colors, layouts, and fonts of the app to suit their preferences. Xmart Calculator Pro also supports Apple Watch and iMessage, making it convenient to use on multiple devices.

Whether you need to calculate simple equations or solve complex mathematical problems, Xmart Calculator Pro is the perfect tool. Its intelligent and programmable features make it a valuable addition to any iPhone user's toolkit.