TI-83 Resource Website

Advanced Topics

Absolute Value

Calculating Absolute Value

Step 1: Press the MATH button located below the ALPHA key.  Using the right arrow button, select the NUM menu.

 


 

Step 2: Note that 1:abs (command for absolute value) is already selected.  Press ENTER.  You will return to the home screen and "abs(" will be entered automatically.

 


 

Step 3: Enter the number.  For example, -5.  Then press ENTER.  The result will appear on the right side of the screen.


 

 

Graphing an Absolute Value equation

Step 4: Press Y=.  Then follow steps 1 thru 3 above. 

For example, enter abs(x + 4). 

The screen to the right will appear. 

Then, adjust the window as needed and press GRAPH.


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This site was last updated 04/25/06 and is maintained by Donna L. Sperry