41 Education and teaching services, namely, conducting classes, seminars, conferences, and workshops in the field of computer science, computer programming and robotics; training and retraining services in the field of computer science, computer programming and robotics; educational services, namely, conducting classes, seminars, conferences, and workshops in the field of computer science, computer programming and robotics; training in the development of software systems; organization, arranging and conducting of training courses, seminars, workshops, symposiums, congresses, colloquiums and conferences in the field of computer science, computer programming and robotics for educational purposes; educational services, namely, provision of on-line instruction from a computer database or via the Internet in the field of computer science, computer programming and robotics; rental of teaching materials, namely, books, textbooks and training manuals; provision of online non-downloadable electronic publications in the nature of information leaflets, specialist books, guide books, textbooks, newsletters and training booklets in the field of computer science, computer programming and robotics; publication of texts, other than publicity texts; publication of printed matter, also in electronic form, other than for advertising purposes; publication of educational and teaching journals, books, textbooks, and magazines; publication of electronic journals, books, textbooks, and magazines which can be accessed from databases or from the internet; conducting educational exhibitions for training purposes in the field of computer science, computer programming and robotics; entertaining services, namely, providing online video games via the Internet; entertainment and educational services in the nature of competitions in the field of computer programming and robotics