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Napier, John



Mathematician, the inventor of logarithms, born at Merchiston Castle, Edinburgh, EC Scotland, UK. He studied at St Andrews, travelled in Europe, then settled down to a life of literary and scientific study. He described his famous invention in Mirifici logarithmorum canonis descriptio (1614, Description of the Marvellous Canon of Logarithms), and also devised a calculating machine, using a set of rods called Napier's bones.

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