Texas TI-86 用户手册

01OPER.DOC   TI-86, Chap 1, US English   Bob Fedorisko   Revised: 02/13/01 2:18 PM   Printed: 02/13/01 2:59 PM   Page 30 of 22

01OPER.DOC   TI-86, Chap 1, US English   Bob Fedorisko   Revised: 02/13/01 2:18 PM   Printed: 02/13/01 2:59 PM   Page 30 of 22

To copy the variable name 

 to the cursor location, press - ¡. You can use the

variable 

 anywhere that the value stored to it is valid. When the expression is evaluated,

the TI

-86 calculates the result using the value stored in 

.

�  

Calculate the area of a garden plot 

 meters

by 

 meters.

�  

Calculate the yield per square meter if the plot
produces a total of 

 tomatoes.

 ` 

 M

 4

 ` 

b

 F - 

¡

b

Previous answers are stored to 

. If you begin an expression by entering a function that

requires a preceding argument, the TI

-86 automatically enters 

 as the argument.

�   Enter and execute an expression.

�  

Enter a function without an argument. 

 is

pasted to the screen, followed by the function.

 F 

b

M 

 ` 

b

�   Calculate the area of a circle with radius 

meters.

�   Calculate the volume of a cylinder of radius 

meters and height 

 meters.

�  

Store the result to the variable 

.

- ~

 5

 I

b

M 

 ` 

b

X ã

V

ä

b