Humble Pi A Comedy Of Maths Errors Epub
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Humble Pi
We would all be better off if everyone saw mathematics as a practical ally. Sadly, most of us fear maths and seek to avoid it. This is because mathematics doesn't have good 'people skills' - it never hesitates to bluntly point out when we are wrong. But it is only trying to help! Mathematics is a friend which can fill the gaps in what our brains can do naturally. Luckily, even though we don't like sharing our own mistakes, we love to read about what happens when maths errors make the everyday go horribly wrong. Matt Parker explores and explains near misses and mishaps with planes, bridges, the internet and big data as a way of showing us not only how important maths is, but how we can use it to our advantage. This comedy of errors is a brilliantly told series of disaster stories with a happy ending.
數學大觀念3數學算什麼？從錯誤中學習的實用數學
這是一本探討數學錯誤的書， 你能找出本書偷藏的三個錯誤嗎？ ◎第一本登上排行榜冠軍的數學書 ◎YouTube總觀看次數超過六千萬，脱口秀數學家麥特‧派克的幽默數學 數學隨處可見，只是還沒出錯而已 在市場討價還價、股市漲跌甚至是建築的結構都是數學，不過我們通常都是到了出錯才會意識到身邊也有這麼多數學。除此之外，還有更多因為數學而產生的問題： 四捨五入很好用，但可能捨去的是你的銀行利息？ 哥倫布會發現新大陸，其實只是因為搞錯距離單位？ 英制公制傻傻搞不清楚，會害飛機墜機？ 在本書中，脫口秀數學家麥特‧派克要帶我們一一去發現這些錯誤背後的數學冷知識。 單位換算差點害飛機掉下來？ 單位換算不只是在買鞋和衣服的時候需要思考，有時候換算錯誤可是會有嚴重的危險。一九八三年，一架波音767的引擎在加拿大上空突然失效，原因是油料不足。後續調查發現，飛機啟航前加油時發生了因為英制公制轉換間的誤差，最後飛機接收到的油料不到正確容量的1/4。幸好機長同時也是個滑翔機的好手，最終讓飛機安然降落在一個露營區旁的前空軍基地。 如何用原價零點三五折買下一台戰機 現在集點的活動到處都是，好好計算點數的價值，可能會讓你有意外收穫。一九九五年，百事可樂推出了集點送贈品的活動，從T恤到皮夾克，隨後還加碼出現一架戰機。問題來了：集點換戰機，消費者實際只需花費原價3.5%就能換購。結果，真有人嘗試這件事，這個沒經過嚴謹計算成本而出現的行銷案，最後因百事可樂想抵賴而雙方告上法庭…… 讓百大公司也大虧的 Excel 錯誤 現在幾乎所有的公司都會用到Excel這個試算表軟體，不過Excel用的不好是有可能會害公司損失慘重，甚至破產！二○一二年，摩根大通損失了約六十億美金，一切的原因出在交易員動了Excel公式，把平均改成總和。這不是個案，根據統計在所有試算表中，有超過90%包含有錯誤。在有使用公式的試算表中，大約有24%在運算過程中包含一個直接的數學錯誤。 在數學犯錯並不可恥，重複錯誤，或是出錯了卻難以修正才是問題所在。在這本關於數學錯誤的小書中，你可以學到如何運用這些經驗避免危險，或是從中獲利。
Humble Pi
**The First Ever Maths Book to be a No.1 Bestseller** 'Wonderful ... superb' Daily Mail What makes a bridge wobble when it's not meant to? Billions of dollars mysteriously vanish into thin air? A building rock when its resonant frequency matches a gym class leaping to Snap's 1990 hit I've Got The Power? The answer is maths. Or, to be precise, what happens when maths goes wrong in the real world. As Matt Parker shows us, our modern lives are built on maths: computer programmes, finance, engineering. And most of the time this maths works quietly behind the scenes, until ... it doesn't. 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. Mathematics doesn't have good 'people skills', but we would all be better off, he argues, if we saw it as a practical ally. This book shows how, by making maths our friend, we can learn from its pitfalls. It also contains puzzles, challenges, geometric socks, jokes about binary code and three deliberate mistakes. Getting it wrong has never been more fun.