Maths on the back of an envelope : clever ways to (roughly) calculate anything
Does that statistic make sense? How much will this round of drinks come to? And what are the chances of winning the lottery? Twice? Learn how to do complex maths with nothing but the back of an envelope, a pencil and some good old-fashioned brain power. Doing mathematics without a calculator seems l...
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| Format: | BOOK |
| Language: | ENGLISH |
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HaperCollinsPublishers
2021
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