Texas Instruments TI-73 EXPLORER - Manual (Page 12)

6
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.
Entering Numbers and Other
Characters
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 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
1 4
T
6 8
b
³
Scroll up
with $ .