High School Advantage 2004 Comprehensive coverage of 10 crucial high school subjects - Biology, Algebra, Physics, Geometry, Chemistry, U.S. History, Spanish, Writing, Trigonometry and World History Study 26 essential algebra topics -- master everything from Exponents to Logarithmic Functions Numerous exercises and tutorials help advance geometry skills Trigonometry lessons are fully illustrated, with pre & post-study test to gauge improvement Master the scientific method and understand how life works, with these powerful chemistry & biology lessons