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Clavis usuræ, or, A key to interest, both simple and compound containing practical rules ... whereby, all the various cases of interest ... may very easily be resolv'd both by the pen and a small table of logarithms, hereunto annex'd ... : to which is added, rules to be observ'd in estimating the value of annuities, or leases, and insurances for lives, &c. : also, the business of rebate or discompt, and the equation of payments ... /

Bibliographic Details
Main Author: Ward, John, fl. 1698-1709.
Corporate Author: Making of the Modern World
Format: Online Book
Published: London : Printed by J.M. for William Taylor ..., 1710.
Online Access:Full text online
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