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不知道數學怎麼用？杜．索托伊用故事告訴你！• 模式捷徑可從過去推得未來，高斯從舊有資料找出失蹤小行星的位置。• 圖示捷徑讓數據一目了然，南丁格爾藉此說服英國女王改善軍方醫療設備。• 機率捷徑能有效管理風險，股神索普用來少量投資賺取超額報酬。數學是一種高層次的思維能力，當中充滿捷徑，可以解決我們生活中遇到的複雜問題，文明也因數學這項強力工具而加速發展。矛盾的是，好用的捷徑通常需要花費很長的時間才能發現。有趣的是，我們在找到捷徑前，就已激發出許多奇思妙想。正是這種捷徑的誘惑，使得杜．索托伊成為牛津大學數學家。為了尋找生活中的其他捷徑，他跨領域深入研究許多主題，涵括商場創業、藝術、自然學科和經濟學，並和大師進行對話，打聽解決問題的捷徑。我們可能無法依靠電腦或AI來解決生活中的所有問題，但我們可以學習如何聰明思考，省下時間與金錢。

How do you remember more and forget less?How can you earn more and become more creative just by moving house? And how do you pack a car boot most efficiently? Mathematics is full of better ways of thinking, and with over 2,000 years of knowledge to draw on, Oxford mathematician Marcus du Sautoy interrogates his passion for shortcuts in this fresh and fascinating guide. After all, shortcuts have enabled so much of human progress, whether in constructing the first cities around the Euphrates 5,000 years ago, using calculus to determine the scale of the universe or in writing today’s algorithms that help us find a new life partner. As well as looking at the most useful shortcuts in history – such as measuring the circumference of the earth in 240 BC to diagrams that illustrate how modern GPS works – Marcus also looks at how you can use shortcuts in investing or how to learn a musical instrument to memory techniques. He talks to, among many, the writer Robert MacFarlane, cel