A Calculator App is a software application designed to perform mathematical calculations. It can handle basic operations like addition, subtraction, multiplication, and division, as well as more complex functions such as square roots and percentages. Many calculator apps also include features like memory storage and scientific functions for advanced users. These apps are commonly available on various devices, including smartphones, tablets, and computers. They provide a convenient way for users to perform calculations quickly and accurately without needing a physical calculator. Some Calculator Apps even offer unique features like graphing capabilities and currency conversion.