Who invented zero? Why 60 seconds in a minute? How big is infinity? Where do parallel lines meet? And can a butterfly's wings really cause a storm on the far side of the world? In 50 Maths Ideas You Really Need to Know Professor Tony Crilly explains in 50 clear and concise essays the mathematical concepts - ancient and modern theoretical and practical everyday and esoteric - that allow us to understand and shape the world around us.
'If you follow this eloquently written book you will be equipped to cope with all manner of challenges such as splitting a restaurant bill filling in a tax return or understanding the compound interest on your bank statement.
Here is the captivating history of maths from prehistoric times to our digital age looking at the people and their cultures their beliefs and aims behind the discoveries that fundamentally changed the way we see the world.
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