Texas Instruments TI-73 EXPLORER 用户手册

Chapter 12: Programming     

7312ENG.DOC   CH 12 Programming, English   Julie Hewlett   Revised: 07/29/98 12:17 PM   Printed: 05/19/99 9:02

AM   Page 243 of 32

Write a program named 

 that inputs two sets of data

and a function, and then solves the function using both of the

data sets.

PROGRAM:INPUTVAR

:Input "Y

1

=",Y

1

:Input "A=",A

:Input "¨DATA=",¨DATA

:Disp "Y

1

(A)=",Y

1

(A)

:Pause

:Disp "Y

1

(¨DATA)=",Y

1

(¨DATA)

:Pause

 

, with no arguments, displays the current graph. Once the

graph screen is shown, you can move the free-moving cursor,

which updates 

 and 

by a value of .1. The pause indicator is

displayed. Press b to resume program execution. The

Home screen then displays the X- and Y-coordinates.

Write a program named 

 that gets input from the

graph screen (the (X,Y) coordinates of the cursor’s position)

and displays the values on the Home screen.

PROGRAM:GRPHINPT

:FnOff

:PlotsOff

:ZDecimal

:Input

:Disp X,Y

:Pause

³

³

Surround Y

with quotation marks.

For Y

, press

-

 

}

 2  1.

For 

¨

, press

-

 

v

 

"

 9.

Press 

b

 between

data displays.

Enclose list in { }.

For FnOff, press

-

 

}

 2  6. For

PlotsOff, select

-

 

e

 4.

For ZDecimal, press

(

 8.

Move cursor to

desired location,

and press 

b

.

X=2.6;

Y=1.5.