In order to see the effects of a ZOOM option,
a graph must already be displayed on the screen. To learn how to
enter and graph a function, go to Graphing
a Function . For example, the function 
= 
is graphed
below.
The ZOOM 6:ZStandard option allows the user to select a new VIEWING RECTANGLE of [-10,10,1] X [-10,10,1].
To select the ZOOM 6:ZStandard option, first press the ZOOM key and then select 6.
To better explain this zoom option, first press the ZOOM key, select Zoom in by pressing 2, and then press ENTER.
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Now to select the ZOOM 6:ZStandard option, first press the ZOOM key and then select 6. The standard VIEWING RECTANGLE of [-10,10,1] X [-10,10,1] is restored.
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