Content: This volume covers, among other topics: • Installation of the Lazarus development environment • Basics of programming in (Free) Pascal • Modular programming with units • Creation of simple graphical user interfaces • Using the printer from your own programs • Creation and editing of simple graphics • Visualization of dynamic processes. Through numerous characteristic application examples, the reader is quickly enabled to create individual applications with Lazarus themselves. Typical pitfalls are, of course, clearly pointed out. Further volumes address topics such as database techniques, internet applications, and software technology aspects. Target audience: Students.