Clavis usurae; or, A key to interest, both simple and compound: containing practical rules, plainly express'd in words at length; whereby, all the various cases of interest, and annuities, or leases either in possession, or reversion, and purchasing free-hold estates, &c. may very easily be resolv'd, both by the pen and a small table of logarithms, hereunto annex'd; for all rates of interest, and times of payment whatsoever; illustrated by variety of examples. 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 (very useful for merchants and other deallers) is here rectified and truly determin'd. By J. Ward

All titles
  • Clavis usurae; or, A key to interest, both simple and compound: containing practical rules, plainly express'd in words at length; whereby, all the various cases of interest, and annuities, or leases either in possession, or reversion, and purchasing free-hold estates, &c. may very easily be resolv'd, both by the pen and a small table of logarithms, hereunto annex'd; for all rates of interest, and times of payment whatsoever; illustrated by variety of examples. 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 (very useful for merchants and other deallers) is here rectified and truly determin'd. By J. Ward
  • Key to interest, both simple and compound
People / Organizations
Imprint
London: printed by J.M. for William Taylor, at the Ship in Pater-Noster-Row, near the North Door of St. Paul's Church, 1710.
Publication year
1710
ESTC No.
T119275
Grub Street ID
170696
Description
[8], 120, [52] p., plate : port. ; 12°.
Note
With a table of logarithms, for numbers from 1 to 10,000

Price below imprint: (Price 2.s.).