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Casio ClassPad 300 PLUS User Manual

Page 216

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20050501

3-2-7

Using the Graph Window

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

Zoom Command

Description

Integer

Previous

Quick Initialize

Quick Trig

Quick log (

x

)

Quick e^

x

Quick

x

^2

Quick –

x

^2

Quick Standard

This command makes the value of each dot equal 1, which makes all
coordinate values integers.

Performing a zoom operation changes View Window parameter
values. Execute this command to return View Window parameters to
their settings prior to the last zoom operation.

These seven quick zoom commands cause the graph to be redrawn
using preset View Window parameter values (page 3-2-9).