Maths on the Back of an Envelope: Clever Ways to (Roughly) Calculate Anything by
17,71 €
Maths on the Back of an Envelope by Rob Eastaway. Title Maths on the Back of an Envelope. Rob Eastaway is a writer, speaker and consultant. (9781861058621). He jointly devised the system now used to officially rank international cricketers and lives in London, where he is a keen weekend cricketer and occasional golfer.
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