© 2000 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI
-
15: A Guide for Teachers
vi
About the TI
.
15
(Continued)
Resetting the TI
.
15
Pressing
−
and
”
simultaneously or
pressing
‡
, selecting RESET, selecting
Y
(yes), and then pressing
®
resets the
calculator.
Resetting the calculator:
•
Returns settings to their defaults:
Standard notation (floating decimal),
mixed numbers, manual simplification,
Problem Solving Auto mode, and Difficulty
Level 1 (addition) in Problem Solving.
•
Clears pending operations, entries in
history, and constants (stored
operations).
Automatic Power Down
TM
(APD
TM
)
If the TI
-
15 remains inactive for about
5 minutes, Automatic Power Down (APD)
turns it off automatically. Press
−
after
APD. The display, pending operations,
settings, and memory are retained.
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