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Home Academics Mathematics & logic Maths on the Back of an Envelope : Clever ways to (roughly) calculate anything
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Maths on the Back of an Envelope : Clever ways to (roughly) calculate anything
by Rob Eastaway
4.1
4.1 out of 5
Creators
AuthorRob Eastaway
PublisherHarperCollins
SynopsisHow many cats are there in the world? What's the chance of winning the lottery twice? And just how long does it take to count to a million? Learn how to tackle tricky Maths problems with nothing but the back of an envelope, a pencil and some good old-fashioned brain power. Join Rob East away as he takes an entertaining look at how to figure without a calculator. Packed with amusing anecdotes, quizzes, and handy calculation tips for every situation, Maths on the back of an envelope is an invaluable introduction to the art of estimation, and a welcome reminder that sometimes our own brain is the best tool we have to deal with numbers.