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Quick(er) Calculations

Author: Trevor Davis Lipscombe

Publisher: Oxford University Press

ISBN: 9780198852650

Category: Mathematics

Page: 192

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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 to 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.
Quick(er) Calculations
Language: en
Pages: 150
Authors: Trevor Davis Lipscombe
Categories: Mathematics
Type: BOOK - Published: 2021-05-06 - Publisher: Oxford University Press

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
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Pages: 258
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Categories: Study Aids
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Be it calculating the spare change at your local grocery shop or adding travel expenses, an aptitude for quick calculations always comes in handy. Being fast with numbers is always an added advantage, especially when you need to solve questions in a constrained time limit, such as your college exams
QUICKER MATHEMATICS for ALL
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Mathematics is integral part of competitive exam. The subject is used starting from daily life to advanced scientific field. Over the generation mathematics has become the language of science & played immense role in advancing human culture. The subject is integral part of school curriculum still many student find the
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Frontiers in Neutron Capture Therapy
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Categories: Medical
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