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Quick(er) Calculations: How to add, subtract, multiply, divide, square, and square root more swiftly

Quick(er) Calculations: How to add, subtract, multiply, divide, square, and square root more swiftly (Hardback, 1st edition)

By Lipscombe, Trevor Davis

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How fast can you calculate? Would you like to be faster? This book presents the time honored tricks and tips of calculation, from a fresh perspective, to boost the speed at which you can add - whether a couple of numbers, or columns so long an accountant may faint. Find out how t...o subtract, multiply, divide, and find square roots more quickly. What's more, this book gives suggestions for how to find answers that are good enough for tricky tasks like dividing by 17. It includes brand new ways to multiply and divide irrational numbers such as pi, e, the square root of 2, and the golden ratio. It has sections devoted to ancient mathematics, and the techniques we can borrow from previous and other cultures, in order to calculate more quickly. Examples, some serious, some fun, come from everyday life or from history - like hot dog eating competitions, the Vatican's cricket team, the molecular weight of the molecule with the world's longest name, and the amount of people taken by Henry VIII to arguably history's biggest party, the Field of the Cloth of Gold. In an age of timed multiple-choice questions, the swifter you can sum, or rule out wrong answers, the better you will do. If you love to play with numbers, this book will be recreational reading. And if you ever wonder whether simple arithmetic problems can crop up in everyday life, this book provides a fresh perspective.
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ISBN 9780198852650
Released NZ 20 May 2021
Publisher Oxford University Press (S1)
Format Hardback, 1st edition
Indent title (internationally sourced), allow 8-12 weeks

Full details for this title

ISBN-13 9780198852650
Stock Available
Status Indent title (internationally sourced), allow 8-12 weeks
Publisher Oxford University Press (S1)
Imprint Oxford University Press
Released 20 May 2021
Publication Country United Kingdom United Kingdom
Format Hardback, 1st edition
Edition 1st
Author(s) By Lipscombe, Trevor Davis
Category Mathematics
Algebra: Lattice Theory
Popular Science
Number of Pages 192
Dimensions Width: 142mm
Height: 223mm
Spine: 15mm
Dewey Code 513.9
Weight 364g
Interest Age General Audience
Reading Age General Audience
Library of Congress Mental arithmetic - Popular works
NBS Text Popular Science
ONIX Text Professional and scholarly