TI -86 用户手册

06TOOLS.DOC   TI-86, Chap 6, US English   Bob Fedorisko   Revised: 02/13/01 2:23 PM   Printed: 02/13/01 3:01 PM   Page 108 of 22

06TOOLS.DOC   TI-86, Chap 6, US English   Bob Fedorisko   Revised: 02/13/01 2:23 PM   Printed: 02/13/01 3:01 PM   Page 108 of 22

�   Select 

 from the 

GRAPH

 

DRAW

 menu.

The text cursor is displayed.

�   Move the cursor to where you want to enter

text. Text is entered below the text cursor.

6/ '
/ / /
&

" # ! $

�   Set alpha-lock and enter 

. (The alpha

cursor ( Ï ) is displayed in the top-right
corner.

�   Move the cursor to another location.
�   Enter 

 (alpha-lock remains on).

- n 1
ã

M

ä ã

I

ä ã

N

ä

" # ! $

ã

M

ä ã

A

ä ã

X

ä

�   Select 

 (or 

) from the

 GRAPH

DRAW

 menu.

�   Move the cursor to where you want to draw

(or erase) a point.

�   Turn on (or turn off) the point.

6 / '
/ (

" # ! $
b

To continue drawing points, repeat steps 2 and 3. To cancel 

, press :.

This example adds to the

 example drawing.

Before you start, you may
want to store the arrows to a
picture variable (page 102).

To erase a character when
using 

, move the 

cursor above it and then
press 

1

 

¤

 or  

-

 

n

¤

 to overwrite it.

In the example, the function

 is selected.

Also, 

 was executed.

Points are turned on at (

5,5),

(5,5), (5,

5), and (

5,

5).