In this free version, you can simulate the basic concepts of ray optics.

You can use the app to solve your own problems, and compare your solutions with the ones of other users.

The solution to the problem is available in the form of a detailed explanation, which you can also view step by step.

You can also save your solution and compare it with the solutions of other users.

The application includes an extensive help section, in which you can find answers to all of the questions that might be asked in a problem.

You can also find information about the most important concepts in ray optics.

The application is very easy to use, and it has been designed to be compatible with any Android device.