Returns the number of periods (the term) for the present value, pv, to reach 0 based on the payment, pmt, and the interest rate, int.
In the following example, TERM3 returns the number of payments from a $15,000 annuity if the annual interest rate is 12.5% compounded monthly and you would like to receive $300 every month. The value of vterm3 is 71.
