A new treatise of arithmetick and book-keeping Containing I. Arithmetick: Wherein the Theory and Practice are mixt together after a New Method ... II. Book-Keeping: In which the first Principles, and Fundamental general Notions and Rules of that admirable Method of Accompts by Debtor and Creditor, are fully explained; ... The whole illustrated with Two Set of Books filled with Examples of fictitious Trade, ... By Alexander Malcolm Teacher of the said Arts in Edinburgh. Recommended by the most famed Accomptants in North-Britain