The first ever math book to be named # 1 on the Sunday Times Bestseller List!

Read about the funny - as well as tragic - consequences of the mathematical errors, mistakes and inaccuracies. See what can happen when something goes wrong with math in the real world. Five Times the Eye is a book full of humor, curiosities and anecdotes written by Matt Parker - the famous science promoter, known from YouTube channels Stand-Up Maths and Numberphile.

What makes a bridge begin to sway in conditions when it shouldn't be? Or that billions of dollars are mysteriously melting into thin air? What is the cause of many aviation and construction disasters? What leads to sophisticated computer systems freezing at the least appropriate moment? The answer is math! Or rather - to be more precise - the mathematics with which something went wrong in the real world.

Matt Parker has no doubts - all our civilization and everyday life is based on mathematics - computer programs, finance, engineering and many other fields owe their existence and (generally trouble-free) operation to her. And most of the time, math works quietly behind the scenes, not attracting attention until ... an error occurs. A human error who did not predict something, did not take care of something or did not fully understand or implement something. Then the math becomes truly ruthless.

In the book "Fifty Eye", Matt Parker takes the reader on an amazing journey through the astray applications of mathematics in our lives - the land of errors, mistakes, mishaps and worms that happen wherever someone has used any calculations for something. Internet, big data, street signs, lotteries, calendars, peculiar coincidences, seemingly fair games of chance, inaccuracies in time measurement, false advertising slogans, excel sheets, unit conversions - see what the risk of mistakes made by people using mathematics for what day, which is actually… by all of us! The consequences of math errors can be funny, amazing, but unfortunately also tragic. Matt Parker writes about all of them with an exceptionally light pen, with distance and his characteristic sense of humor.

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