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28 Chapter 2: Operating the Calculator
02OPER.DOC TI
-
89/TI
-
92 Plus: O
p
erating the TI
-
89/TI
-
92 Plus (English) SusanGullord Revised:02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 28 of 44
In the history area, if both the entry and its answer cannot be
displayed on one line, the answer is displayed on the next line.
If an entry or answer is too long to
fit on one line,
ú
is displayed at the
end of the line.
To view the entire entry or answer:
1. Press
C
to move the cursor from the entry line up into the history
area. This highlights the last answer.
2. As necessary, use
C
and
D
to highlight the entry or answer you
want to view. For example,
C
moves from answer to entry, up
through the history area.
3. Use
B
and
A
or
2B
and
2A
to scroll right and left.
4. To return to the entry line,
press
N
.
When you press
¸
to evaluate an expression, the
TI
-
89 / TI
-
92 Plus
leaves the expression on the entry line and highlights
it. You can continue to use the last answer or enter a new
expression.
If you press: The TI
.
89 / TI
.
92 Plus:
«
,
|
,
p
,
e
,
Z
, or
§
Replaces the entry line with the variable
ans(1)
,
which lets you use the last answer as the
beginning of another expression.
A
ny other key Erases the entry line and begins a new entry.
Calculate
3.76 ÷ (
ë
7.9 +
‡
5)
. Then add
2 log 45
to the result.
On the TI
.
89: On the TI
.
92 Plus: Display
3.76
ec·
7.9
«
2]
5
dd
¸
«
2
2™
LOG
j
c
45
d
¸
3.76
ec·
7.9
«
2]
5
dd
¸
«
2 LOG
c
45
d
¸
When a calculation is in progress,
BUSY
appears on the right end of
the status line. To stop the calculation, press
´
.
There may be a delay before the “break”
message is displayed.
Press
N
to return to the current application.
If an Entry or
Answer Is Too Long
for One Line
Note: When you scroll to
the right,
7
is displayed at
the beginning of the line.
Continuing a
Calculation
Example
Stopping a
Calculation
When you press
«
, the entry
line is replaced with the
variable ans(1), which
contains the last answer.