{"product_id":"9780008444495-maths-on-back-of-envelope-pb","title":"Maths on the Back of an Envelope","description":"\u003cmeta content=\"text\/html; charset=utf-8\" http-equiv=\"Content-Type\"\u003e\u003cp\u003e\u003cspan\u003eClever Ways to (Roughly) Calculate Anything\u003cbr\u003e\u003cp\u003e            \u003cstrong\u003e‘Another terrific book by Rob Eastaway’ SIMON SINGH\u003c\/strong\u003e          \u003c\/p\u003e          \u003cp\u003e            \u003cstrong\u003e‘A delightfully accessible guide to how to play with numbers’ HANNAH FRY\u003c\/strong\u003e          \u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e            \u003cstrong\u003e‘Another terrific book by Rob Eastaway’ SIMON SINGH\u003c\/strong\u003e          \u003c\/p\u003e          \u003cp\u003e            \u003cstrong\u003e‘A delightfully accessible guide to how to play with numbers’ HANNAH FRY\u003c\/strong\u003e          \u003c\/p\u003e          \u003cp\u003eHow many cats are there in the world?\u003c\/p\u003e          \u003cp\u003eWhat's the chance of winning the lottery twice?\u003c\/p\u003e          \u003cp\u003eAnd just how long does it take to count to a million?\u003c\/p\u003e          \u003cp\u003eLearn 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\u003eJoin 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, \u003cem\u003eMaths on the Back of an Envelope\u003c\/em\u003e 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\n\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Rarewaves","offers":[{"title":"Default Title","offer_id":39295104843873,"sku":"9780008444495","price":9.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0092\/7504\/8033\/files\/orig_28573108.jpg?v=1722709511","url":"https:\/\/www.rarewaves.com\/products\/9780008444495-maths-on-back-of-envelope-pb","provider":"Rarewaves.com","version":"1.0","type":"link"}