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Maths on the Back of an Envelope: Clever Ways to (Roughly) Calculate Anything

By author: Rob Eastaway
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Over 99 in Stock at Bertrams


9.99 GBP

Nielsen BookData

'Another terrific book by Rob Eastaway' SIMON SINGH 'A delightfully accessible guide to how to play with numbers' HANNAH FRY

Bertrams Buyer's Notes:

Fast ways of calculating complex maths across a small amount of workings out are made accessible in this entertaining guide to mental maths.