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Math Open Reference Site

A free interactive math textbook

A free interactive math textbook on the web. Initially covering high-school geometry. This open reference project has the goal of providing high-quality content for these computers free of charge to the end user, and provide numerous benefits over paper textbooks. Using interactive tools and compelling animations, it provides an engaging way to learn and explore the subject. Teachers will have new ways to teach, and the students a new way to learn that is fun and engaging.