Lawrence Potter nos introduce en el fabuloso mundo de las matemáticas, desde los aspectos históricos más apasionantes -como la manera que tenían de contar los pitagóricos, el origen árabe del álgebra o la forma como aplicamos tecnicas arabes, chinas y babilonicas para solventar ecuaciones- hasta la manera de resolver Sudokus. El autor demuestra que las matematicas no son un campo aislado del pensamiento abstracto sino una ciencia con unas conexiones fascinantes con el mundo que nos rodea. ¿Que significa la coma de los decimales? ¿Como se pueden multiplicar de memoria numeros de varias cifras? ¿Que logica hay tras las ecuaciones simultaneas? ¿Como se puede ganar apostando a los caballos? ¿Como se puede resolver un Sudoku?
This is a life raft for anyone who finds themselves floundering amidst a sea of ten-second soundbites, wishing they had a better grasp of complexities of world politics and global issues. Clear, concise language sets the record straight on a diverse range of topics as Lawrence Potter presents answers to fifty-seven questions about the world we live in, stretching from "What is jihad?" to "is fair trade a good thing?" and "Is there still a war in Chechnya?" . Important information including the latest research on environmental issues and the history behind current events worldwide is presented in enough detail to be useful without overwhelming readers with too much making for a balanced, informed reference guide.Also covering... What is the problem with plastic bags?What did Sadaam do to the Kurds?What is the difference between a sunni and a shia and is it possible that global warming is not taking place in a thoroughly updated new edition complete with a new chapter explaining the problem of Afghanistan
If you follow this eloquently written book you will be equipped to cope with all manner of challenges, such as splitting a restaurant bill, filling in a tax return, or understanding the compound interest on your bank statement. You will also be able to calculate your chances of survival when playing Russian roulette, win at Perudo and pronounce 324 in Tibetan (Gsum-bryga gnyis-bcu rtsa bzhi)... Plus there is a section on how the ancient Egyptians wrestled with equations; a 13-page appendix on how to solve Sudoku and a chapter on the Law of Large Numbers which offers useful tips on backing the right horses.Daily TelegraphIn this irreverent guide to classroom horrors such as algebra, percentages and probability, maths teacher Lawrence Potter sheds light on the dark mysteries that have haunted you since your childhood. Full of fascinating examples and surprising puzzles, Mathematics Minus Fear demonstrates that maths is not an isolated realm of abstract thought but has fascinating connections with the world we encounter on a daily basis.