The American ready reckoneer : or Trader's assistant: containing I. Tables shewing the value of any quantity of goods ready cast up from 1 farthings to 19/6 each. II. Tables shewing the value of any number of pounds, shillings and pence from 1d to 90001 in the currencies of New-Jersey, Pennsylvania, Delaware & Maryland in dolls and cents. III. Table shewing the value of dollars from 1 to 10,000 in the currencies of New-England, New-York, New-Jersey, Pennsylvania, Delaware, Maryland, Virginia, North and South-Carolina and Georgia. IV. Tables of interest at 6 and 7 per cent