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 101 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 101 of 22

�   Select 

 from the 

GRAPH

 menu. The

graph is displayed with the 

  prompt in

the bottom-left corner.

�   Enter a real 

 value between window

variables 

 and 

.

6 /
/ &

` 

 - ~

�   Evaluate. The result cursor is on the first

selected function at the entered 

 value. The

coordinate values are displayed. The number
in the top-right corner indicates which
function is evaluated.

b

�   Move the result cursor to the next or previous

selected function. The result cursor is on the
next or previous function at entered 

 value,

the coordinate values are displayed, and the
function number changes.

$ #

You can use the drawing tools (except 

) to draw points, lines, circles, shaded areas,

and text on the current graph in any graphing mode. The drawing tools use the display’s x-
and y-coordinate values.

To clear entered numbers
from the 

 prompt,

press 

:

.

To cancel  

, press

:

 after clearing the

 prompt.

Expressions are valid for 

.

You may continue to enter
valid 

 values for which to

evaluate the selected
functions.