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Displaying a graph – Texas Instruments TI-73 EXPLORER User Manual

Page 183

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Chapter 9: Function Graphing

177

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

9:01 AM Page 177 of 24

7. Find the Y values when

X= 2, 4, and 5.

2

b

4

b

5

b

Note: Consider using the

CONVERSIONS menu (

-

4)

to convert your answers (in minutes) to

seconds, hours, days, weeks, or years.

If you trace ()) the graph with the cursor keys to an X

value greater than

Xmax

or less than

Xmin

, the cursor goes off

the Graph screen, but the corresponding Y values are still

displayed since they exist. However, you cannot enter X values

(as you did in step 7 above) that are greater than

Xmax

or less

than

Xmin

.

Displaying a Graph *

Press * to display the graph of the selected function(s).

(Some operations, such as ) and (, display the graph

automatically.) As a graph is plotted, the busy indicator comes

on (upper right corner) until the graph is completely drawn

and X and Y are updated.
Pressing *, ), or

selecting a ( function graphs

all defined and selected

functions.

If the desired

WINDOW

values are already set, press

* or ).

Press ( to change the

WINDOW

values and graph

all selected functions.

( , then select a

function from the menu

When

X=4, Y=200.

Standard default

window values

are set.

(

6:ZStandard

is selected.