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Finding Your Way Around the TI-83+   |  MathBits.com

Press ZOOM to see your options.

Option 6: Standard is the safety valve.  Zstandard will always return you to the standard window settings of 10 by 10.

Option 1:  Zbox (Zoom Box)  Use arrows to move the + to the upper left hand corner of your box.  Hit ENTER to anchor this corner.  Use arrows to move to the lower right hand corner of the box.  Hit ENTER.

You will now see an enlargement of the area inside of the box.

Option 2:  Zoom In
Move the + near the section of the graph to be enlarged.
Press ZOOM #2.  Nothing will happen until you press ENTER.