ZOOM 4:ZDecimal

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.  

Screen Picture of TI-83 Calculator

The ZOOM 4:ZDecimal option allows the user to select a new VIEWING RECTANGLE, namely [-6.6,6.6,1] X [-4.1,4.1,1].  This sets the increments for both X and Y equal to 1 and sets the X and Y value of each pixel to one decimal place.

To select the ZOOM 4:ZDecimal option, first press the ZOOM key and then select 4. 

Screen Picture of TI-83 Calculator
Screen Picture of TI-83 Calculator

 



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