Gratuit avec l'essai de 30 jours
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Maths on the Back of an Envelope
- Clever ways to (roughly) calculate anything
- Narrateur(s): Rob Eastaway
- Durée: 3 h et 36 min
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Maths on the Back of an Envelope
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Description
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.
PLEASE NOTE: When you purchase this title, the accompanying reference material will be available in your Library section along with the audio on our desktop site.
Ce que les critiques en disent
"A delightfully accessible guide to how to play with numbers." (Hannah Fry, author of Hello World and The Mathematics of Love)
"Put aside those calculators and computers, and find a pen and piece of paper! In a collection of riveting tips and examples, Eastaway shows us amazing short-cuts to get rough answers to important questions. I still find it remarkable that 16% of 25 is exactly the same as 25% of 16!" (Professor David Spiegelhalter, author of The Art of Statistics)
"Another terrific book by Rob Eastaway." (Simon Singh)