GeoCalc is a free Android app developed by Andreas Enk that serves as a visual calculator for triangles and circles. It offers a simple and efficient way to calculate geometric values without requiring any mathematical knowledge.

The app has two main sections: Triangle Calculator and Circle Calculator. In the Triangle Calculator, users can input the values of any two sides and one angle of a triangle to calculate the third side, missing angles, and area of the triangle. Meanwhile, the Circle Calculator allows users to calculate the radius, diameter, circumference, and area of a circle by inputting any known value.

GeoCalc is an excellent tool for students, teachers, and professionals who need to make quick and accurate calculations. Its user-friendly interface and straightforward design make it easy to use and understand. The app also includes tags such as triangle angle, angular, trigonometric function, circular arc, which help users find it easily on the app store. Overall, GeoCalc is a reliable and efficient app for anyone who needs to perform geometric calculations on the go.