A set of programming codes such as Java, C++, C and Python, about 21 programming languages with different examples of codes that help you in your studies and develop skills. You will learn both database rules and their analysis. The application is fun for school students. It will be a great help in solving their programming and technical problems. The application is simple and easy to use. Even my grandmother can deal with it. It consists of 21 main pages and sub-lessons that help you in your studies. Downloading the application does not take anything from you. It is light on the device and supports old and modern devices.