Xlogo (written in Java) allows the interpretation of the logo language. Logo is a language developed by Seymour Papert in the early 70s. It really is perfect for those who start the program and to learn the basics such as tests, loops, procedures, etc.. Here, learning is done graphically and even kids can get started. It is essential to install a Java Runtime Environment JRE to run an application written in java. It is compatible with Windows 9X, 2000 and XP.