Deselecting a function – Texas Instruments TI-86 User Manual
Page 25
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
ᕣ Change the value stored in the
xMin
window variable to
0
.
0
ᕤ 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
ᕡ 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.
&
ᕢ Select
SELCT
from the equation editor
menu to deselect the function
y1=
. The
equals sign is no longer highlighted.
*
ᕣ 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