☞ 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 : and including all the questions in the Philadelphian edition of Gough, with many others : the rules are either new, or those of that treatise so far compendized as to be both brief and perfectly applicable : the whole adapted to the commerce of the United States : and comprehending every thing necessary to a complete practical knowledge of the science of arithmetic.