Maths on the Back of an Envelope
Clever ways to (roughly) calculate anything
by Rob Eastaway
🔰 Maths on the Back of an Envelope | CLICK HERE 🔰
- ISBN: 9780008324582 (0008324581)
- Release date: September 19, 2019
- Publisher: HarperCollins
- Author: Rob Eastaway
- Format: hardcover, 208 pages
- Genres: mathematics, science
- Language: english
About The Book
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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