For industry shop and field personnel who use practical mathematics on the job, this book reinforces basic and intermediate math skills. Covers numbers, hand calculators, number relations such as percentages and proportions, and physical quantities and measurement. Also reviews the principles of algebra, practical geometry, basic trigonometry, and advanced industry applications. Chapters include objectives, how-to information, practice problems, test and answers. Appendices offer reference tables, commonly used formulas, and conversion factors. PETEX, 2004. 320 pp.