Computing The Time-Value-Of-Money - Texas Instruments TI-89 Titanium Short User Manual

3. Enter the equation to solve for i using the
operator.
with
†
solve(s=p
and
n=6
Result: The interest rate is 12.246%.
Note:
• To enter the "with" ( | ) operator:
@
Í
Press 8 ¸ to obtain a floating-
•
point result.
Finding the Future Value of an Annuity
Find the future value of an annuity using the values from the previous
example where the interest rate is 14%.
Enter the equation to solve for
†
solve(s=p (1+i)^n,s) | i=.14
n=6
Result: The future value at 14% interest is
2,194.97.

Computing the Time-Value-of-Money

This activity creates a function that can be used to find the cost of
financing an item. Detailed information about the steps used in this
example can be found in Programming.
108
(1+i)^n,i) | s=2000
and
and
p=1000
.
s
and
p=1000
Activities