Assertion: twelfth root | /r/CapableOf | use abacus
Facets:
value: to reach twenty four decimal places
type: PURPOSE
Source sentences:
text: The twelfth root of two was first calculated in 1584 by the Chinese mathematician and musician Zhu Zaiyu using an abacus to reach twenty four decimal places accurately, calculated circa 1605 by Flemish mathematician Simon Stevin, in 1636 by the French mathematician Marin Mersenne and in 1691 by German musician Andreas Werckmeister.