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OverviewThis book shows how to do mental math with methods designed to simplify basic math for fast and easy calculations. Basic operations covered are addition, subtraction, multiplication, and square roots. Example problems are completed with answers for practice and improving your memory. Large and small number problems are included with real life sample problems. Exact and fast approximation techniques are shown. Full Product DetailsAuthor: Roger K DanethPublisher: Independently Published Imprint: Independently Published Dimensions: Width: 15.20cm , Height: 0.40cm , Length: 22.90cm Weight: 0.100kg ISBN: 9781719886345ISBN 10: 1719886342 Pages: 60 Publication Date: 25 August 2018 Audience: General/trade , General Format: Paperback Publisher's Status: Active Availability: Available To Order ![]() We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviewsAuthor InformationTab Content 6Author Website:Countries AvailableAll regions |