Educational software consists of applications that accompany the exhibitions and educational programmes that are implemented by the Museum Educators Department of Hellenic Cosmos. There is great variety of themes in the programmes and their aim -with the contribution of the educational software- is for visitors to understand important aspects of Hellenic history and culture (for example mathematics, theatre), participating actively in the programmes. Educational software is also created in the framework of research programmes and then is utilized in the areas of Hellenic Cosmos.