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Chapter 2: Operating the Calculator 23
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 23 of 44
When you turn on the
TI
-
89 / TI
-
92 Plus
after it has been turned off with
2
®
, the display always shows the Home screen. (If the
TI
-
89 / TI
-
92 Plus
turned itself off through APD
é
, the display shows the
previous screen, which may or may not have been the Home screen.)
To display the Home screen at any time:
¦
Press:
TI
.
89:
"
TI
.
92 Plus:
¥"
— or —
¦
Press
2K
— or —
¦
Press:
TI
.
89:
O
j
A
TI
.
92 Plus:
O
A
The following example gives a brief description of the main parts of
the Home screen.
The history area shows up to eight previous entry/answer pairs
(depending on the complexity and height of the displayed
expressions). When the display is filled, information scrolls off the
top of the screen. You can use the history area to:
¦
Review previous entries and answers. You can use the cursor to
view entries and answers that have scrolled off the screen.
¦
Recall or auto-paste a previous entry or answer onto the entry
line so that you can re-use or edit it. Refer to pages 50 and 52.
Home Screen
When you first turn on your TI
-
89 / TI
-
92 Plus, the Home screen
is displayed. The Home screen lets you execute instructions,
evaluate expressions, and view results.
Displaying the
Home Screen
Parts of the Home
Screen
History Area
Entry Line
Where you enter
expressions or
instructions.
Last Entry
Your last entry.
Toolbar
Press
ƒ
,
„
, etc., to
display menus for selecting
operations.
Last Answer
Result of your last entry.
Note that results are not
displayed on the entry line.
Status Line
Shows the current state
of the TI
-
89 / TI
-
92 Plus.
History Area
Lists entry/answer pairs
you have entered.
Pretty Print Display
Shows exponents,
roots, fractions, etc.,
in traditional form.
Refer to page 29.