3-2-7

 

Using the Graph Window

 

 

Zoom Command

Description

Integer

This command makes the value of each dot equal 1, which makes all

coordinate values integers.

 

 

 

 

Performing a zoom operation changes View Window parameter

Previous

values. Execute this command to return View Window parameters to

 

their settings prior to the last zoom operation.

 

 

Quick Initialize

 

Quick Trig

 

Quick log (x)

These seven quick zoom commands cause the graph to be redrawn

Quick e^x

using preset View Window parameter values (page 3-2-9).

Quick x^2

 

Quick –x^2

 

Quick Standard

 

 

 

u To use box zoom

Example: To use box zoom to enlarge part of the graph y = (x + 5)(x + 4)(x + 3)

(1)On the application menu, tap T.

(2)On the Graph Editor window, input y = (x + 5)(x + 4)(x + 3).

•For details about how to input an expression, see “Function Storage and Graphing Example” on page 3-1-7 and “3-3 Storing Functions”.

(3)Tap $ to graph the functions.

(4)Tap [Zoom] and then [Box], or tap Q.

(5)On the Graph window, drag the stylus to draw a selection boundary around the area you want to enlarge.

(6)Remove the stylus from the display and the area within the selection boundary expands to fill the entire Graph window.

Box Zoom Result

20050501