Right Angled Triangle Calculator and Solver is a free, easy-to-use application designed for solving right-angled triangle problems. The app has an eye-catching user interface and provides solutions based on the user's input. It is based on right-angled triangle trigonometry formulas and can calculate side, angle, area, height, and perimeter. The app also allows users to work with angles in degree, radian, degree-minute-second (DMS), and grad. Side, height, and perimeter can be worked with inch, foot, meter, centimeter, and millimeter. Area can be worked with inch², foot², meter², centimeter², and millimeter². Users can also set decimal places and choose their own theme. The PRO version of the app is also available for download on the Google Play Store.