01672nam 2200397Ia 450 99638962350331620220217000731.0(CKB)4940000000097768(EEBO)2240911072(OCoLC)ocn945447196e(OCoLC)945447196(EXLCZ)99494000000009776820160323d1667 uy 0engurbn#|||a|bb|The art of numbering by speaking-rods[electronic resource] 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 /Published by W.LLondon Printed for W. Hayes, and are to be sold at his house in Moorfields1667[10], 86, [4] p., [2] leaves of folded plates illW.L. = William Leybourn.Place and date of publication suggested by Wing (2nd ed., 1994).Errata at end.[3] p. of advertisements at end.Reproduction of original in: Balliol College (University of Oxford) Library.eebo-0007ArithmeticEarly works to 1800Mathematical instrumentsEarly works to 1800ArithmeticMathematical instrumentsLeybourn William1626-1716.1001442Hayes W.UMIUMIBOOK996389623503316The art of numbering by speaking-rods2419266UNISA