Our reference directory includes selected reference websites relating to archives, libraries, education, book and magazines, encyclopedia, museums, FAQs and knowledge management.
Advanced Math SAT Workbook Workbook with strategies for students striving for a perfect score on common standardized admissions tests. http://www.advancedmath.com/
Earth/matriX Texts studying the mathematics and geometry behind ancient artwork around the world, and comparing ancient calendars to contemporary science. http://www.earthmatrix.com/