The art of numbring by speaking rods, vulgarly termed Nepeirs bones : by which the most difficult parts of arithmetick, as multiplication, division, and extracting roots both square and cube, are performed with incredible celerity and exactness (without any charge to the memory) by addition and subtraction only.

Author/creator Leybourn, William
Format Electronic
Publication InfoLondon : Printed by T.B. for H. Sawbridge ..., 1685.
Description[7], 86, [2] p.
Supplemental Contenthttps://search.proquest.com/docview/2240955312
Subjects

SeriesEarly English books online. ^A888680
General noteReproduction of original in Huntington Library.
General noteAttributed to William Leybourn. cf. NUC pre-1956.
General noteOn t.p.: Published by W.L.
General noteFolded table inserted.
General noteAdvertisement: p. [1] at end.
General noteErrata: p. [2] at end.
References Wing L1906
Reproduction noteElectronic reproduction. Ann Arbor, Mich. : UMI, 1999- (Early English books online) Digital version of: (Early English books, 1641-1700 ; 964:2)
Stock numberCL0037000031 ProQuest Information and Learning. 300 N. Zeeb Rd., Ann Arbor, MI 48106