This self-teaching manual reviews arithmetic skills as they apply to business records and functions. Topics reviewed include fractions, decimals, calculating percentages, the fundamentals of statistics and business graphics, measurements in the English and metric systems, and applications of mathematics to banking, investing, loans, and operating a business. Charts, graphs, diagrams, instructive line illustrations, and where appropriate, amusing cartoons help to make learning E-Z. Barron's E-Z books are self-teaching manuals focused to improve students' grades across a wide array of academic and practical subjects. For most subjects, the skill level ranges between senior high school and college standards. E-Z books review their subjects in detail, using both short quizzes and longer tests to help students gauge their learning progress. All exercises and tests come with answers. Subject heads and key phrases are set in a second colour as an easy reference aid.