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Books > Science & Mathematics > Mathematics > Philosophy of mathematics

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Maths on the Back of an Envelope - Clever Ways to Overcome Colossal Calculations (Hardcover) Loot Price: R170
Discovery Miles 1 700
You Save: R65 (28%)
Maths on the Back of an Envelope - Clever Ways to Overcome Colossal Calculations (Hardcover): Rob Eastaway

Maths on the Back of an Envelope - Clever Ways to Overcome Colossal Calculations (Hardcover)

Rob Eastaway

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List price R235 Loot Price R170 Discovery Miles 1 700 You Save R65 (28%)

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Does that statistic make sense? How much will this round of drinks come to? And what are the chances of winning the lottery? Twice? Learn how to do complex maths with nothing but the back of an envelope, a pencil and some good old-fashioned brain power. Doing mathematics without a calculator seems like an unnecessary feat in the twenty-first century. These clever little electronic devices have helped to take away the drudgery of arithmetic, and given all of us the power to perform in a few seconds what might previously have taken hours to work out. But much of the time, we don't need the exact answer with its endless decimal points - we just need to know whether something is in the right ballpark. Rob Eastaway's clever mathematical techniques do exactly that, as he takes an entertaining look at how to figure without a calculator. From spotting misleading statistics in the news and bad deals, to estimating how long you'll be standing in that slowly crawling queue, this book is packed with amusing anecdotes and handy back-of-the-envelope calculations for every situation. Most importantly, this book is a timely and welcome reminder that sometimes our own brain is the best tool we have to deal with numbers.

General

Imprint: HarperCollinsPublishers
Country of origin: United Kingdom
Release date: August 2019
Authors: Rob Eastaway
Dimensions: 204 x 135 x 23mm (L x W x T)
Format: Hardcover
Pages: 160
ISBN-13: 978-0-00-832458-2
Categories: Books > Science & Mathematics > Mathematics
Books > Science & Mathematics > Mathematics > Philosophy of mathematics
Books > Science & Mathematics > Mathematics > Mathematical foundations
Books > Science & Mathematics > Mathematics > Mathematical foundations > Mathematical logic
LSN: 0-00-832458-1
Barcode: 9780008324582

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