{"product_id":"unequal-the-math-of-when-things-do-and-dont-add-up-eugenia-cheng-hardcover","title":"Unequal: The Math of When Things Do and Don't Add Up -- Eugenia Cheng, Hardcover","description":"\u003cstrong\u003eWhy the familiar equal sign is a gateway into math's--and humanity's--most profound questions    \"Eugenia Cheng has opened up my mind to the wondrous world of pure mathematics in a way that I never thought was possible.\" ―Willow Smith, singer and actress    A\u003ci\u003e New Scientist\u003c\/i\u003e Best Book of the Year  \u003c\/strong\u003e \u003cp\u003e\u003c\/p\u003e Math is famous for its equations: 1 + 1 = 2, a 2 + b 2 = c 2, or y = mx + b. It can seem like that's all mathematics is: following steps to show that what's on one side of an equation is the same as what's on the other.    In \u003ci\u003eUnequal\u003c\/i\u003e, Eugenia Cheng shows that's just part of the story, and the boring part to boot. Mathematics is a world of shapes, symmetries, and logical ideas. And in that world, the boundary between things being equal and unequal is a gray area, or perhaps a rainbow of beautiful, vibrant, subtly nuanced color.    As \u003ci\u003eUnequal \u003c\/i\u003eshows, once you go over that rainbow, almost everything can be considered equal and unequal at the same time, whether it's shapes (seen from the right perspective, a circle is the same as an ellipse), words (synonyms), or people--even numbers! That's because mathematics isn't a series of rules, facts, or answers. It's an invitation to a more powerful way of thinking.   \u003cp\u003e\u003cstrong\u003eAuthor:\u003c\/strong\u003e Eugenia Cheng\u003cbr\u003e\u003cstrong\u003ePublisher:\u003c\/strong\u003e Basic Books\u003cbr\u003e\u003cstrong\u003ePublished:\u003c\/strong\u003e 9\/2\/2025\u003cbr\u003e\u003cstrong\u003ePages:\u003c\/strong\u003e 400\u003cbr\u003e\u003cstrong\u003eBinding Type:\u003c\/strong\u003e Hardcover\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.19 lbs\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 9.29\" H x 6.22\" L x 1.5\" W\u003cbr\u003e\u003cstrong\u003eISBN:\u003c\/strong\u003e 9781541606555\u003c\/p\u003e","brand":"Flowerburst","offers":[{"title":"Default Title","offer_id":50769101160752,"sku":"9781541606555","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/2712\/8368\/files\/9781541606555_d45f64f1-1b42-4e5e-a00f-7f0e640a6087.jpg?v=1777874704","url":"https:\/\/flowerburst.co\/products\/unequal-the-math-of-when-things-do-and-dont-add-up-eugenia-cheng-hardcover","provider":"Flowerburst","version":"1.0","type":"link"}