The ready reckoner, or, Trader's useful assistant, adapted to the use of all who deal by wholesale or retail : 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 1 farthing to 1 pound. To which are prefixed, I. A table of interest at six per cent. II. A table of the weight & value of coins, as they pass in the respective states of the Union, with their sterling and federal value. III. A table shewing the amount of cents, &c.