Categorii: Diverse
Limba: Engleza
Data publicării: 2019
Editura: HarperCollins Publishers
Tip copertă: Hardcover
Nr Pag: 208
ISBN: 9780008324582
Dimensiuni: l: 13.5cm | H: 20.4cm
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.