Completely revised, the Fourth Edition has 42 percent more exercises (over 6,500 exercises in all) and offers a comprehensive and complete set of diagrammed examples. The examples and exercises include many applications from different fields of technology, such as electronics, mechanics, machine design, civil engineering, forestry, architecture, automotive engineering, physics, chemistry, computer science, and computer operations. It provides a thorough review of arithmetic skills and a solid introduction to algebra, geometry, and trigonometry.