Percentage Calculator, developed by Alex Oliinyk, is a free and efficient mathematical tool available on Android. This calculator is designed to perform various percentage calculations, including memory, history, and large digits. Its user interface is simple and easy to navigate, making it accessible to everyone. The calculator also features continuous lighting buttons that help avoid mistakes during calculations.

The app is perfect for students, professionals, and anyone in need of quick and reliable percentage calculations. It is lightweight and does not require an internet connection, making it a great option for those on the go. The calculator's memory feature allows users to store results for future reference, and the history feature provides a detailed list of previous calculations. Overall, Percentage Calculator is a great tool that simplifies percentage calculations and saves time.