Arithmetical lag ue, or, Mercantile Accountant, ADAPTED TO THE COMMERCE OF THE UNITED STATES OF AMERICA : CONTAINING SOME USEFUL IMPROVEMENTS IN Mercantile Arithmetic: A NEW SYSTEM OF EXCHANGE, IN WHICH THE REAL AND IMAGINARY CURRENCIES OF THE WORLD ARE REDUCED TO THE FEDERAL STANDARD. WITH CALCULATIONS ON THE MECHANICAL POWERS. BY W. M. FINLAY. New-York: PRINTED BY G. F. HOPKINS, for the AUTHOR, AND sold by the PRINCIPAL BOOKSELLERS IN THE UNITED STAZES. 1803. [Copy-Right secured.] |