A search engine and exam on the knowledge of paragraphs in the penal code for students, university lecturers, lawyers, policemen, prosecutors, judges and law professors.The search engine has an intelligent filter in which you enter the number. article and / or paragraph and / or keywords that must be included in the content. The filter shows all available keywords in the suggestion list. Thanks to this, we can quickly find the article we are interested in after entering just a few letters.The context menu is opened after a long click.The zoom in or out occurs after the "pinch" gesture.The exam consists of a series of questions in which we have a question about the content of the paragraph, and several possible answers, only one of which is correct. The answers are counted and you can see your grade after the exam.After opening the context menu, we can copy the final report to a text editor, e-mail and send it.The exam requires an internet connection to verify that the user has the premium version of the application.Supports night mode and tablets.