Tables of [i]nterest, at 3, 4, 4 1/2, and 5 per cent. [electronic resource] : From ?.1 to ?.10,000, and from 1 to 365 days, in a regular progression of single days. With tables, at all the above rates, [f]rom 1 to 12 months, and from 1 to 10 years. Also, Tables, Shewing the Exchange on Bills, or Commission on Goods, &c. from ? to 5 per Cent. And Tables, shewing the Amount of any Salary, Income, Expence, &c. by the Day, Week, Month, or Year; and a new Table, ascertaining what Time a Sum of Money takes to double itself (or the Interest to become equal to the Principal), at all the different Rates of Interest. To Which Are Prefixed, A Table of Discount on Bills, at a certain number of Days or Months; and a Table shewing the exact number of Days from any Day throughout the Year to 31st December, the usual Period to which Interest on open Accounts is calculated. The sixth edition, with additions. By John Thomson, Accountant in Edinburgh, Author of the Universal Calculator, And Tables for Calculating the Prices of Grain.