Texas TI-86 用户手册

下载
页码 431
Quick Start
13
00QWIKST.DOC   TI-86, Quick Start, US English   Bob Fedorisko   Revised: 02/13/01 1:51 PM   Printed: 02/13/01 2:59 PM   Page 13 of 14
00QWIKST.DOC   TI-86, Quick Start, US English   Bob Fedorisko   Revised: 02/13/01 1:51 PM   Printed: 02/13/01 2:59 PM   Page 13 of 14
�   Change the value stored in the 
xMin
window variable to 
0
.
0
�   Plot the graph on the redefined graph
screen. Since 
xMin=0
, only the first and
fourth quadrants of the graph plane are
displayed.
*
Deselecting a Function
�   Select 
y(x)=
 from the 
GRAPH
 menu to
display the equation editor and equation
editor menu. The 
GRAPH
 menu shifts up
and 
y(x)=
 is highlighted.
&
�   Select 
SELCT
 from the equation editor
menu to deselect the function 
y1=
. The
equals sign is no longer highlighted.
*
�   Plot the graph on the graph screen. Since
you deselected 
y1
, the TI
-86 only plots 
y2
.
To select a function in the equation editor,
repeat these steps. (
SELCT
 both selects
and deselects functions.)
- i