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Deselecting a function – Texas Instruments TI-86 User Manual

Page 25

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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