CliffsQuickReview course guides cover the essentials of your toughest subjects. Get a firm grip on core concepts and key material, and test your newfound knowledge with review questions. Whether you'r..
People who enjoy puzzles, including all the millions who play sudoku every day, will love The Strange and Infinite World of Numbers. Tim Sole has been publishing puzzle books since 1988 and three of h..
A plain-English guide to the basics of trig Trigonometry deals with the relationship between the sides and angles of triangles... mostly right triangles. In practical use, trigonometry is a friend to ..