Maths On The Back Of An Envelope

What's the chance of dealing four perfect hands in a game of whist? How many cats are there in the world? And how long would it actually take to count to a million? Find out all this and more in this invaluable, and highly entertaining look at how to tackle complex maths questions with nothing but a pencil, a scrap of paper and good old-fashioned brainpower.

208 pages.
Measures 20 x 13.7 cm.

Collections: Books, Mathematics, New, Science

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