Citizen Calculator is a versatile tool designed for a variety of mathematical computations, making it an essential app for anyone needing quick and accurate calculations. It supports basic operations like addition, subtraction, multiplication, and division, as well as advanced functions including percentage calculations and square roots. Additionally, the app features a GST calculator, enabling users to compute tax amounts effortlessly based on specified prices. This makes it suitable for both personal and business use.

Beyond standard calculations, Citizen Calculator offers a range of useful features including a unit converter, currency converter, cash note counter, age calculator, and a digital compass. Users can also take advantage of QR code and barcode scanning capabilities. With customizable themes and a session history feature for reviewing past calculations, Citizen Calculator stands out as a powerful and user-friendly application for managing various mathematical tasks efficiently.