Moments of Area is a free Android app developed by r2ja Apps, designed to make the calculation of area properties for different geometric shapes more convenient. This app is specifically tailored to the needs of professionals and students who require quick and accurate calculations of area properties.

The app provides formulas and definitions for centroid, second moment of area, parallel axis theorem, rotation of axis, moments by addition, and area. It also includes a calculator for important section properties. With this app, users can easily reference formulas and perform calculations without having to manually look up equations or use a separate calculator.

Overall, Moments of Area is a useful tool for those who need to work with area properties on a regular basis. It is easy to use and provides accurate results, making it an excellent addition to any professional or student's toolkit.