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- The_Whetstone_of_Witte abstract "The Whetstone of Witte is the shortened title of Robert Recorde's mathematics book published in 1557, the full title being The Whetstone of Witte, whiche is the seconde parte of Arithmeteke: containing the extraction of rootes; the cossike practise, with the rule of equation; and the workes of Surde Nombers. The book covers topics including whole numbers, the extraction of roots and irrational numbers. The work is notable for containing the first recorded use of the equals sign and also for being the first book in English to use the plus and minus signs.Recordian notation for exponentiation, however, differed from the later Cartesian notation . Recorde expressed indices and surds larger than 3 in a systematic form based on the prime factorization of the exponent: a factor of two he termed a zenzic, and a factor of three, a cubic. Recorde termed the larger prime numbers appearing in this factorization sursolids, distinguishing between them by use of ordinal numbers: that is, he defined 5 as the first sursolid and 7 as the second sursolid.He also devised symbols for these factors: a zenzic was denoted by z, and a cubic by &. For instance, he referred to p8=p2×2×2 as pzzz (the zenzizenzizenzic of p), and q12=q2×2×3 as qzz& (the zenzizenzicubic of q).".
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- The_Whetstone_of_Witte wikiPageExternalLink TheWhetstoneOfWitte.
- The_Whetstone_of_Witte wikiPageID "19934039".
- The_Whetstone_of_Witte wikiPageRevisionID "572724017".
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- The_Whetstone_of_Witte subject Category:1557_books.
- The_Whetstone_of_Witte subject Category:British_non-fiction_literature.
- The_Whetstone_of_Witte subject Category:Mathematics_books.
- The_Whetstone_of_Witte type 1557Books.
- The_Whetstone_of_Witte type Artifact100021939.
- The_Whetstone_of_Witte type Book106410904.
- The_Whetstone_of_Witte type Creation103129123.
- The_Whetstone_of_Witte type MathematicsBooks.
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- The_Whetstone_of_Witte type PhysicalEntity100001930.
- The_Whetstone_of_Witte type Product104007894.
- The_Whetstone_of_Witte type Publication106589574.
- The_Whetstone_of_Witte type Whole100003553.
- The_Whetstone_of_Witte type Work104599396.
- The_Whetstone_of_Witte comment "The Whetstone of Witte is the shortened title of Robert Recorde's mathematics book published in 1557, the full title being The Whetstone of Witte, whiche is the seconde parte of Arithmeteke: containing the extraction of rootes; the cossike practise, with the rule of equation; and the workes of Surde Nombers. The book covers topics including whole numbers, the extraction of roots and irrational numbers.".
- The_Whetstone_of_Witte label "The Whetstone of Witte".
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- The_Whetstone_of_Witte depiction Recorde_-_The_Whetstone_of_Witte_-_equals.jpg.
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