Solution 11923: Calculating Interest Rate on the TI-83 Family and TI-84
Plus Family Graphing Calculators.
How is interest rate calculated on a TI-83 family or TI-84 Plus family graphing
calculator?
The example below will demonstrate how to calculate interest rate on a TI-83
family or TI-84 Plus family graphing calculator. For Example:
What is the interest rate for a mortgage of $75,000 if making a $576.69
payment each month for 360 months?
1) First access the TVM solver by
pressing [APPS] [FINANCE] [ENTER].
Please
Note:If you are using a TI-83 press [2nd] [FINANCE]
[ENTER].
2) Input the following values:
2) Move the
cursor beside I% and press [ALPHA] [SOLVE].
TI-Nspire handheld in TI-84 Plus mode users may refer to the
TI-84 Plus family guidebook.
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