Calculator Pro is a free and powerful calculator by CAMERA. It allows you to solve all kinds of math problems such as addition, subtraction, multiplication, and division. It is the best calculator app for Android devices.

By using Calculator Pro, you can calculate the area of a circle, the distance between two points, the volume of a circle, and the surface area of a polygon. It can also calculate the average of a set of numbers, the standard deviation, and the mode.

It has three modes: basic, scientific, and equation solver. Basic mode solves simple math problems such as addition, subtraction, multiplication, and division. Scientific mode solves complex math problems such as calculus and physics. Equation solver mode solves equations.