Texas Instruments TI-73 EXPLORER Benutzerhandbuch

     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 18 of 24

3. Edit and enter the new

expression.

! - t

b

 b

b

4. Cycle back two entries.

- £ - £

5. Edit and enter the new

expression.

! ! !

b

 

-

 

 ¢

When an expression is evaluated successfully from the Home

screen or from a program, the TIN73 stores the answer to a

system variable called 

 (last answer). Recall 

 by

pressing - ¢. 

 can be a real number or a list. When you

turn off the TIN73, the value in 

 is retained in memory.

You can use the variable 

 in any place that is appropriate

for the type of answer 

 represents. For example, if 

 is a

real number, you can use it anywhere where real numbers are

accepted (Y= editor, 

, List editor, etc.).

 

You can recall 

 as the first entry in the next expression

without entering the value again or pressing - ¢. After

completing a calculation, press an operation or function key

(excluding <, =, or @) and the calculator displays 

and uses the value in the next calculation.