Hewitt's tables of simple interest : Shewing one view, the interest of any sum of money, from one penny to 100,000l. from one day to 365, from one month to 11, and from one years to 10, at 3, 4, 5, 6 per cent. II. A table of time, which shews the number of days between any two in the year. III. Nine tables of brokerage or commission: the stock or value of goods sold, from one pound to 100,000l. at 1/3, 1/4, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/4, 2 1/2, 2 3/4, 3, 3 1/4, 3 1/2, 3 3/4, 4, 4 1/4, 4 1/2, 4 3/4, to 5 per cent. IV. Nine tables to reduce the most current pieces of gold, both foriegn and domestick, into pounds, &c. and on the contrary to reduce pounds, &c. into those different pieces gold; shewing what each piece should properly weigh. Calculated and examined by John Hewitt, profess'd accomptant.