Texas Instruments TI-73 EXPLORER 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 6 of 24

If all lines of the display are full,

text scrolls off the top of the

display. The TIN73 stores the

previous entries as memory

permits. See the section entitled,

“Retrieving Previous Entries” on

page 17.
You can scroll up with $ to see

previously entered entries

. 

If you

press b while a previous

entry is highlighted (for

example, 2+2+2+2+2+2+2+2),

the calculator copies it to a new

line below all entries (after

4+4+4… and its result, 52).
To clear the Home screen, see the section entitled “Editing

Numbers and Characters” on page 11.

 

 

A symbol or abbreviation of each key’s primary function is

printed in white on the key. When you press that key, the

function name is inserted at the cursor location.

 

Entering a Negative Number   a

You enter a negative number with the negation key, a. You

can use negation to modify a number, expression, or each

element in a list. Notice that this is different from the

subtraction key, T, which CANNOT be used for negation.

Subtract M14 N 68.

- l :
a

T

b

³

Scroll up

with 

$

.