77570825
Sep 16, 2008
Aug 11, 2009
Educational services, namely, development and dissemination of educational materials of others in the field of physics to teachers, professors, and their students via the Internet, namely, digital textbooks, instructors manuals, supplementary reading materials, instructional materials in the nature of self-assessment and study tools for students, homework assignments, course assessment and course management materials as well as diagnostic materials for use in connection with the study of physics
Education and Entertainment