Arithmetick in the plainest and most concise methods hitherto extant : With new improvements for dispatch of business, in all the several rules. As also, fractions, vulgar and decimal. brought together after a new method, that render[s] both easy to be understood in their nature and useful[. The] whole perused and approved of by the most eminent accomptants in the several offices of the revenue, viz. customs, excise, &c. as the only book of its kind for variety of rules, and brevity of work. By Geo. Fisher, accomptant. To which is added, an appendix, containing the construction and uses of tables, for calculating questions in compound interest, and annuities or leases in possession or reversion.