A free program for Android, by Bhima Apps.

Smart Calculator With Unit Converter is a handy utility tool for students, teachers, and takers of technical subjects. This application is designed to be used by people of all ages and levels of education.

This application will help you to calculate in a variety of ways. First, you can use it for simple calculations such as addition, subtraction, multiplication, and division. It also has an advanced mode that allows you to use it for more complex calculations such as multiplication, square, and square root.

It also allows conversion for different units like area, force, speed, and more.