Texas Instruments TI-73 用户手册

 Chapter 1: Operating the TI

N73     

7301ENG.DOC   CH1 Operating the TI-73, English   Julie Hewlett   Revised: 07/29/98 11:55 AM   Printed: 05/19/99

8:58 AM   Page 15 of 24

Enter the 

 and go directly to the section starting with

L.

1. Go to the 

- |

2. Select 

 from Text editor.

- t

b

Selecting 

¨

 by pressing b pastes it to the previous screen,

just as if you had selected it from a menu.

 

An expression is a group of numbers, variables, functions and

their arguments, or a combination of these elements that

evaluates to a single answer. Instructions cannot be used in

expressions. An expression is completed when you press

b, regardless of the cursor location.
On the TIN73, you enter an expression in the same order as

you would write it on paper. The entire expression is

evaluated according to the Equation Operating System (EOS

™

)

rules (which is explained in detail in Appendix B: Reference

Information), and the answer is displayed.

Calculate the area (A) of a circle whose radius (R)=3 using the

formula A=pR

2

. Then use the area to calculate the volume (V)

of a cylinder whose height (H)=4. Use the formula V=AQH.

- l :
- „

6 b

³

³