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 98 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 98 of 22

The steps for using 

, 

, and

 are the same, except for the menu selection in step 1.

�   Select 

 from the 

GRAPH

 

MATH

 menu.

The current graph is displayed with a 

 prompt.

�   Move the cursor onto the function on which

the left bound is a point.

6 /
& / )

# $

�   Select the left bound for 

. Either move the

cursor to the left bound or enter the 

 value.

 is displayed.

! " b or
value

 b

�   (

 only) If you want the right bound to be

a point on another function, move the cursor
to the other function.

�   Select the right bound. Either move the

cursor to the right bound or enter its 

 value.

# $

! " or
value

�   Solve.

♦ 

For 

, the solution 

 is displayed

and stored in 

.

♦ 

For 

, the solution 

 is displayed

and stored in 

.

♦ 

For 

, the solution 

 is displayed,

b

shaded, and stored in 

. The function integral error value is stored to the variable 

(Appendix). To remove the shading, select 

 from the 

GRAPH DRAW

 menu (page 103).

In the example, the function

2

 is selected.

Steps 2 and 4 are not
necessary here because only
one function is selected.

For 

, when you are

specifying the right bound, a
line is drawn from the left
bound to the right bound.