By Sam Parc, Dara O Briain

ISBN-10: 0198701810

ISBN-13: 9780198701811

Chill out: not anyone is aware technical arithmetic with no long education yet all of us have an intuitive clutch of the guidelines in the back of the symbols. To rejoice the fiftieth anniversary of the founding of the Institute of arithmetic and its functions (IMA), this e-book is designed to exhibit the great thing about arithmetic - together with photographs encouraged through mathematical difficulties - including its unreasonable effectiveness and applicability, with out frying your mind.

The booklet is a set of fifty unique essays contributed by way of a large choice of authors. It includes articles via the superior expositors of the topic (du Sautoy, Singh and Stewart for instance) including interesting biographical items and articles of relevance to our daily lives (such as Spiegelhalter on hazard and Elwes on scientific imaging). the subjects lined are intentionally diversified and contain innovations from uncomplicated numerology to the very leading edge of arithmetic examine. each one article is designed to be learn in a single sitting and to be available to a basic viewers.

There is additionally different content material. There are 50 pictorial 'visions of arithmetic' that have been provided in keeping with an open demand contributions from IMA individuals, Plus readers and the global arithmetic group. you are going to additionally discover a sequence of "proofs" of Phythagoras's Theorem - mathematical, literary and comedy - after this, you are going to by no means consider Pythagoras an identical manner back.

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Extra resources for 50 Visions of Mathematics

Sample text

5 The Gregory–Leibniz series. what’s the problem with mathematics? | 3 Not quite the Indian rope trick One of the major functions of mathematics, surely, is to help us understand the way the world works, and, in particular, to get where physical intuition cannot reach. I like to share with audiences my most memorable experience of this, which came one wet, windy afternoon in November 1992. For some weeks before, strange things had been happening in my computer models of multiple pendulums, so I ﬁnally sat down with a blank sheet of paper and tried to ﬁnd, and prove, a general theorem.

1) and the ﬂow clings to the surface once more. Downstream turbulence is greatly reduced, implying a signiﬁcant reduction in aerodynamic drag. This transition is very sudden and is enormously important in ball games. It is caused by surface roughness: it seems very counter-intuitive that a slightly rough surface should have a superior aerodynamic performance compared with a smooth one. Aerodynamic drag can be measured very precisely by using sensitive instruments attached to the rig on which the ball is mounted.

Someone decided them back in 1912 and they have subsequently been updated on diﬀerent occasions. Clearly, working out the fairest points allocation for any running, jumping, or throwing performance is crucial and deﬁnes the whole nature of the event very sensitively. Britain’s Daley Thompson missed breaking the decathlon world record by one point when he won the Olympic Games, 1984, but a revision of the scoring tables the following year increased his score slightly and he became the new world record holder retrospectively!