Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything
Maths on the Back of an Envelope: Clever ways to (roughly) calculate anything by Rob Eastaway, HarperCollins
English | 2019 | ISBN: B07XBNJZ3B | M4B3@128 kbps | 3h 36m + PDF | 203 Mb
English | 2019 | ISBN: B07XBNJZ3B | M4B3@128 kbps | 3h 36m + PDF | 203 Mb
How 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 Eastaway 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.
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