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Interactive Mathematics Miscellany and Puzzles
Khan Academy
Matrices, vectors, vector spaces, transformations. Covers all topics in a first year college linear algebra course. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra.
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About Math Games at Hooda Math. Games need Adobe Flash Player to play online. We feature 3 new online math games a week. If you are seeing the same math games on this page you may need to clear your browser's cache.