Texas Instruments TI-73 用户手册

     Chapter 9: Function Graphing

7309ENG.DOC   CH 9 Function Graphing, English   Julie Hewlett   Revised: 07/29/98 12:14 PM   Printed: 05/19/99

9:01 AM   Page 182 of 24

Sets the standard (default) 

variables. Replots the graph immediately.

Sets the 

 values for the current stat

lists. Replots the graph immediately.

Sets 

@

 and 

@

 to 0.1 and centers the origin.

Replots the graph immediately; press )

to view the new coordinate values.

Adjusts 

 and 

 so that the Graph

screen displays the full range of Y variable

values. Replots the graph immediately.

Lets you select a new center point, and then

sets 

@

 and 

@

 to 1 and sets 

 and 

 to

10. Replots the graph immediately; press

) to view the new coordinate values.

Sets 

 variables to preset values that

are often appropriate for graphing trig

functions. Replots the graph immediately.

 

ZBox   (

 

With 

, use the cursor keys to draw a box around a specific

section of the Graph screen that you would like to view up

close. The calculator then zooms in on the area inside the box

with the cursor in the center of the screen.

Explore the function graph,

Y

1

=2X with 

.

1. Display the graph of a

selected function (the

example shows 

).

(

³