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1-2 Operating the TI
-
83
8301OPER.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:09 PM Printed: 02/19/01 1:34
PM Page 2 of 24
To turn on the TI
.
83, press
É
.
•
If you previously had turned off the calculator by
pressing
y
[
OFF
], the TI
.
83 displays the home screen
as it was when you last used it and clears any error.
•
If Automatic Power Down™ (APD
é
) had previously
turned off the calculator, the TI
.
83 will return exactly as
you left it, including the display, cursor, and any error.
To prolong the life of the batteries, APD turns off the TI
.
83
automatically after about five minutes without any activity.
To turn off the TI
.
83 manually, press
y
[
OFF
].
•
All settings and memory contents are retained by
Constant Memory
é
.
•
Any error condition is cleared.
The TI
.
83 uses four AAA alkaline batteries and has a user-
replaceable backup lithium battery (CR1616 or CR1620).
To replace batteries without losing any information stored
in memory, follow the steps in Appendix B.
Turning On and Turning Off the TI-83
Turning On the
Calculator
Turning Off the
Calculator
Batteries