The new London method of arithmetick : containing plainer and shorter rules for decyphering than any ever yet published : with an appendix, shewing how to keep a book of household expences, necessary for all families : there is also added, (which was never published before) the rule how to multiply several figures by several, the produce of which shall be in one line only / - Halliday, John, (Printed for J. Davidson,, 1749)