Napier's Bones

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Bol Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Napier's bones is an abacus created by John Napier for calculation of products and quotients of numbers that was based on Arab mathematics and lattice multiplication used by Fibonacci writing in the Liber Abaci. Also called Rabdology (from Greek ¿¿ß¿ö [r(h)abdos], "rod" and -¿¿¿¿¿ [logia], "study"). Napier published his version of rods in a work printed in Edinburgh, Scotland, at the end of 1617 entitled Rabdologiæ. Using the multiplication tables embedded in the rods, multiplication can be reduced to addition operations and division to subtractions.

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Napier's bones is an abacus created by John Napier for calculation of products and quotients of numbers that was based on Arab mathematics and lattice multiplication used by Fibonacci writing in the Liber Abaci. Also called Rabdology (from Greek ¿¿ß¿ö [r(h)abdos], "rod" and -¿¿¿¿¿ [logia], "study"). Napier published his version of rods in a work printed in Edinburgh, Scotland, at the end of 1617 entitled Rabdologiæ. Using the multiplication tables embedded in the rods, multiplication can be reduced to addition operations and division to subtractions.


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  • 9786130334765
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