Texas Instruments TI-89 - Page 53

36 Chapter 2: Operating the Calculator
02OPER.DOC TI
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89/TI
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92 Plus: O
p
erating the TI
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89/TI
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92 Plus (English) Susan Gullord Revised: 02/23/01 1:06 PM Printed: 02/23/01 2:11 PM Page 36 of 44
To move from one toolbar menu to another without making a
selection, either:
¦ Press the key (
ƒ
,
„
, etc.) for the other toolbar menu.
— or —
¦ Use the cursor pad to move to the next (press
B
) or previous
(press
A
) toolbar menu. Pressing
B
from the last menu moves to
the first menu, and vice versa.
When using
B
, be sure that an item with a submenu is not
highlighted. If so,
B
displays that item’s submenu instead of moving
to the next toolbar menu.
Round the value of
p
to three decimal places. Starting from a clear
entry line on the Home screen:
1. Press
2I
to display the
MATH
menu.
2. Press
1
to display the
Number
submenu. (Or press
¸
since
the first item is automatically
highlighted.)
3. Press
3
to select
round
. (Or press
DD
and
¸
.)
4. Press
2T
b
3
d
and then
¸
to evaluate the expression.
Moving from One
Toolbar Menu to
Another
Example: Selecting
a Menu Item
Selecting the function in
Step 3 automatically
typed
round(
on the
entry line.