The art of numbring by speaking-rods, vulgarly termed Nepeirs bones : by which the most difficult parts of arithmetick, as multiplication, division, and extracting of roots both square and cube, are performed with incredible celerity and exactness (without any charge to the memory) by addition and subtraction only /
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| Format: | eBook |
| Language: | English |
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London :
Printed for G. Sawbridge and are to be sold at his house ...,
1667.
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| Series: | Early English books online.
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| Subjects: | |
| Online Access: | Connect to the full text of this electronic book |
| Item Description: | Attributed to William Leybourn. Cf. BM. An enlarged edition was published in 1721 under title: The description and use of ... Gunter's quadrant ... to which is added the use of Nepiar's bones. Folded table inserted. Reproduction of original in British Library. |
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| Physical Description: | 1 online resource ([10], 86 pages) |