Clavis usuræ : or, a key to interest, both simple and compound: containing practical rules, ... To which is added, rules to be observ'd in estimating the value of annuities, or leases, ... By J. Ward.

Bibliographic Details

Main Author:	Ward, John, active 1698-1709
Format:	eBook
Language:	English
Series:	Eighteenth century collections online.
Online Access:	Full text online