Mastering Numbers - Andrew Jeffrey

The perfect antidote to numbers-phobia, this clear, concise guide explains everything you need to know about arithmetic, fractions, statistics, probability, algebra and geometry.We all use numbers every day, yet many people are uncomfortable with them, finding them daunting and difficult. Others treat numbers as a practical tool they can handle quite well, while failing to appreciate their most amazing qualities.This book is the antidote to number-phobia. As with learning to swim, youʼll never look back: these are skills youʼll use for the rest of your life. If you think youʼre good with numbers already, youʼll soon discover what youʼve been missing: the endless fascination and beauty of numbers, and – at the more practical level – a whole range of techniques and shortcuts you never knew existed.Mastering Numbers brings the subject to life, replacing the atmosphere of the classroom with the wonder of the magicianʼs workshop. In learning to enjoy numbers, we discover a multitude of practical skills – everything from understanding statistics and the odds gamblers face to the interest rates on savings and ways to maximise your returns. Never again need you flounder in a business meeting or an encounter with your bank manager – and if the chance arises to chat to him more casually, you could impress with stories about pi, prime numbers, Fermatʼs theorem, and much else besides.Full of enjoyable exercises, puzzles, demonstrations and self-testing interludes, this is a book to instruct and give pleasure.