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bn:00056823n
Noun Concept
SYL
No term available
EN
A set of graduated rods formerly used to do multiplication and division by a method invented by John Napier WordNet 3.0
Relations
Sources
IS A
EN
calculator
EN
mathematical instrument
EN
mechanical calculator
DESCRIBED BY SOURCE
EN
Brockhaus and Efron Encyclopedic Dictionary
DISCOVERER OR INVENTOR
John napier
NAMED AFTER
John napier
USAGE DOMAIN
EN
plural

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