You May Also Like
Sponsored
Sold by Mighty Ape
‘Another terrific book by Rob Eastaway’ SIMON SINGH
‘A delightfully accessible guide to how to play with numbers’ HANNAH FRY
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.
Author Biography
Rob Eastaway is a writer, speaker and consultant. His books include the bestselling What is a Googly? (9781861056290) and Why Do Buses Come In Threes? (9781861058621). He jointly devised the system now used to officially rank international cricketers and lives in London, where he is a keen weekend cricketer and occasional golfer.
We are committed to protecting your rights under the Consumer Guarantees Act and working with our suppliers to assist with warranty claims. Products sold by Mighty Ape will be covered by a Manufacturer's Warranty for at least a one-year period from the date of purchase.
Your warranty will cover any manufacturing defects which, if existing, will present themselves within this warranty period.
Your warranty will not cover normal wear and tear, faults caused by misuse, and accidents which cause damage or theft caused after delivery. Using the product in a way it is not designed for will void your warranty.
Please refer to our Help Centre for more information.
