The American accountant; or, Schoolmasters' new assistant Comprised in four books. Book I. Containing arithmetic of whole numbers,--divers denominations, and the common rules, to the end of the double rule of three. Book II. Fractions, vulgar and decimal. Book III. Mercantile arithmetic; or all the rules necessary for forming a complete accountant; methodically arranged and largely exemplified. Book IV. Extractions, progressions, &c. being the higher rules of arithmetic. - Workman, Benjamin (Printed for William Young, no. 52, the corner of Chesnut and Second-Streets, 1796)