The ready reckoner or Trader's sure guide, adapted to the use of all who deal by wholesale or retail [microform] : exhibiting, at one view, the amount or value of any number or quantity of goods or merchandize, from one up to ten thousand, at the various prices from one farthing to one pound. : To which are prefixed, I. A table of interest, at six per cent. II. A table of the weight and value of coins, as they pass in the respective states of the union, with their sterling and federal value. III. A table shewing the value of continental money, as fixed by an act of the general assemblies of Pennsylvania and Maryland. IV. Tables, of the amount of expences, &c. by the day, week, month, and year. V. A table shewing the amount of cents, &c.