Calculator is a free and easy-to-use app for Android phones and tablets that allows you to perform basic math operations such as addition, subtraction, multiplication, and division. 

With a clean and stylish design and the ability to set the appearance and style of the app, it's easy to use and looks great on your device.

The app also has an option to choose between a dark or light theme, and you can also choose the type of calculation you want to perform (e.g. addition, subtraction, multiplication, or division).

Calculator is an ideal app for everyday use, and it's also perfect for situations such as adding up receipts, calculating taxes or discounts when shopping, doing homework study for school, some calculation at your workplace, or even when you calculate a tip at restaurants.