The mathematical concepts that must be understood and applied in the machine trades and manufacturing are presented in clear, real world terms in the new edition of this best selling book. The understanding of those concepts is stressed in both the presentation and application in all topics, from simple to complex. The presentation of basic concepts is accompanied by realistic, industry related examples, illustrations, and actual applications. Drawings, rather than words, often inform and motivate the user. Algebraic and geometric principles are carefully sequenced and integrated with trigonometric applications.