Tables for the Calculation of Simple Or Compound Interest and Discount and the Averaging of Accounts: The Values of Annuities, Leases, Interest in Estates, and the Accumulations and Values of Investments at Simple Or Compound Interest, for All Rates and Periods, Also Tables for the Conversion of Securities and the Values of Stocks and Bonds, with Full Explanations for Use, and a Collection of Miscellaneous Examples to Illustrate the Problems Arising from the Investments of Money Or the Exchange of Property