How To Factor Polynomials With A TI-83 Plus

Unlike its more modern (and more expensive) cousin, the TI-89, the TI-83 Plus graphing calculator doesn't come with a built-in package to evaluate polynomials. In order to factor these equations, you need to download the appropriate piece of free software to your calculator.

Step 1

Connect the USB cord in the TI Connectivity Kit from your calculator to the computer.

Step 2

Go to the TI-83 downloads page (see Resources below) and double-click the "Factor Any Polynomial (Update)" link. Save the application to your desktop.

Step 3

Drag the application file on your desktop and drop it onto the TI Connect icon on your desktop. This will automatically download the file to your calculator.

Step 4

Press the "APPS" button on your TI-83. Select "Factor Any Polynomial (Update)" by pressing the down tab and then "Enter."

Step 5

Enter your polynomial function onto the screen and press "Enter." You will be given a list of factors.