Posted 20 hours ago

Humble Pi: A Comedy of Maths Errors

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If I was to wear a ‘I’m too intelligent to play football’ t-shirt, I would, rightly enough, I guess, be considered grossly insulting.

Simply telling people not to make any mistakes is a naive way to try to avoid accidents and disasters. Matt Parker is some sort of unholy fusion of a prankster, wizard and brilliant nerd--maths is rarely this clever, funny and ever so slightly naughty. Some of the ancient Sumerian records were written by a person seemingly named Kushim and signed off by their supervisor, Nisa.For a start, if you’re not used to the cheese-tastic world of inspirational work posters, what you see will come as a shock. Particularmente no soy de computadoras por lo que todo lo que tiene que ver con programación me resulta muy aburrido. The book is organized so that similar themes are grouped together into chapters, but each incident is only a few pages long, so it never feels bogged down or boring. The Swiss Cheese model looks at how ‘defenses, barriers, and safeguards may be penetrated by an accident trajectory’.

Every time his details were entered, the system seemed to eat him whole; he would disappear without a trace. In 1940, the Tacoma Narrows Bridge was nicknamed Galloping Gertie and it collapsed four months after being built. A building rock when its resonant frequency matches a gym class leaping to Snap's 1990 hit I've Got The Power? Exploring and explaining a litany of glitches, near-misses and mishaps involving the internet, big data, elections, street signs, lotteries, the Roman empire and a hapless Olympic shooting team, Matt Parker shows us the bizarre ways maths trips us up, and what this reveals about its essential place in our world. She’s probably a relation of Mr Teacher from St Fakington’s Grammar School, who seems to sign up for everything I do.

It also contains puzzles, challenges, geometric socks, jokes about binary code and three deliberate mistakes. For Gandhi, starting from 1, this calculation played out as 1 − 2 = 255, suddenly setting him to maximum aggression. And given that over three hundred children in the USA since 1990 have been named Abcde, it’s worth spelling this out: don’t name your child anything like Fake, Null or DECLARE. The pragmatic approach is to acknowledge this and build a system robust enough to filter mistakes out before they become disasters. The reduced precision in a rounded number makes them also feel less accurate, even though that is often not the case.

The topics covered in this book are wide-ranging, and a lot of them are things you might not even think of as being mathematical (putting a padlock on a door properly, for instance, or people with names that get ignored by computer code).If you ever have access to a friend’s phone, go into the settings and change their calendar to the Buddhist one. Of course there are the big stories, from NASA disasters to the risks of trying to crash onboard systems on planes mid-flight. We know a million, a billion and a trillion are different sizes, but we often don’t appreciate the staggering increases between them. The Null problem can be fixed by encoding names in a format for only character data, so that it doesn’t get confused with the data value of NULL.

But other mistakes are much more consequential – you know, the sort of mistakes that make planes fall out of the sky. Originally a maths teacher from Australia, Matt Parker now lives in the overly quaint British town of Godalming. Knew I was going to love this book when I opened it and immediately saw the page numbers going the wrong way. The area looks as safe as safe can be … until you check the LAPD’s online map of reported crime locations.

No hacerlo (prestar la suficiente atención), puede derivar en poner en riesgo vidas humanas, y el autor nos muestra algunos ejemplos sobre ello. I loved his rant on why phone numbers aren't numbers at all (would it be meaningful for someone to ask you what half your phone number is?

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