An entire new system of mercantile calculation , by the use of universal arbiter numbers. Introduced by an elementary description of, and commercial and political reflections on universal trade. Illustrated and Exemplified by the Elements of the Chain Rule of Three, the Nature of the Exchanges, and of all Charges and Contingencies on Goods; Which are also reduced to a Plain and Concise System, Intirely New and Universal. By an old merchant.
Old merchant | Date: M,DCC,XCV. [1795]