Education Technology

Solution 34531: Calculating Interest Rate on the TI-84 Plus C Silver Edition Graphing Calculator.

How is interest rate calculated on a TI-84 Plus C Silver Edition graphing calculator?

The example below will demonstrate how to calculate interest rate on a TI-84 Plus C Silver Edition graphing calculator.

Example: What is the interest rate for a mortgage of $75,000 if making a $576.69 payment each month for 360 months?

Solution:
First access the TVM solver by pressing [2nd] [FINANCE] [ENTER].

Input the following values:

Move the cursor beside I% and press [ALPHA] [SOLVE].

Please see the TI-84 Plus C Silver Edition guidebook for additional information.