Texas 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 106 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 106 of 22

�   Select 

 (or 

) from the 

GRAPH

DRAW

 menu. The graph is displayed and a

vertical or horizontal line is drawn at the cursor.

6 /
' (
(or ))

�   Move the line to the 

 value (or to the 

 value,

if horizontal) through which you want the line
to pass.

�   Draw the line on the graph.

! "
(or  $ #)

b

To draw more lines, repeat steps 2 and 3; to cancel 

 or 

, press :.

�   Select 

 from the 

GRAPH

 

DRAW

menu. The graph is displayed.

�   Define the center point of the circle with

the cursor.

6 / '
*

" # ! $
b

�   Move the cursor to any point on the

intended circumference.

�   Draw the circle.

" # ! $

b

To draw more circles, repeat steps 2 through 4; to cancel 

, press :.

In the example, the function

 is selected.

Also, 

 was executed once

with the zoom cursor at (0,0),

, and 

.

In the example, the function

2

 is selected.

Also, 

 was executed once

with the zoom cursor at (0,0),

, and 

.

Here the circle appears as a
circle, regardless of window
variable values. When you
use 

 from the 

CATALOG

to draw a circle, the current
window variable values may
distort the shape.