{"product_id":"9780008444495","title":"Maths on the Back of an Envelope : Clever Ways to (Roughly) Calculate Anything","description":"\u003ch3\u003eAuthor:  Eastaway, Rob \u003c\/h3\u003e\u003ch4\u003ePhilosophy of mathematics\u003c\/h4\u003e\u003ch5\u003ePublished on 1 April 2021 by HarperCollins Publishers (HarperCollins) in the United Kingdom.\u003cbr\u003e\u003cbr\u003ePaperback | 208 pages\u003cbr\u003e129 x 197 x 16 | 154g\u003cbr\u003e\n\u003c\/h5\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e'Another terrific book by Rob Eastaway' SIMON SINGH\u003c\/p\u003e\u003cp\u003e  'A delightfully accessible guide to how to play with numbers' HANNAH FRY\u003c\/p\u003e\u003cp\u003e  How many cats are there in the world?\u003c\/p\u003e\u003cp\u003e What's the chance of winning the lottery twice?\u003c\/p\u003e\u003cp\u003e And just how long does it take to count to a million?\u003c\/p\u003e\u003cp\u003e Learn how to tackle tricky maths problems with nothing but the back of an envelope, a pencil and some good old-fashioned brain power.\u003c\/p\u003e\u003cp\u003e 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.\u003c\/p\u003e","brand":"HUNTS BOOKSHOP LTD","offers":[{"title":"Default Title","offer_id":42458479788272,"sku":"9780008444495","price":10.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0514\/8635\/9739\/files\/9780008444495.jpg?v=1713453560","url":"https:\/\/huntsbookshop.live\/products\/9780008444495","provider":"Hunt's Bookshop","version":"1.0","type":"link"}