Turning The Calculator Off; Apd (Automatic Power Down) - Texas Instruments TITANIUM TI-89 User Manual

Turning the Calculator Off

Turning the Calculator Off Turning the Calculator Off Turning the Calculator Off
You can use either of the following keys to turn off your graphing calculator.
Press:
2 ®
2
(press and
®
then press )
8 ®
8
(press and then
®
press )
® is the second function of the ´ key.
Note:

APD (Automatic Power Down)

APD (Automatic Power Down)
APD (Automatic Power Down) APD (Automatic Power Down)
After several minutes without any activity, the calculator turns itself off automatically. This
feature is called APD.
When you press ´, the calculator will be exactly as you left it.
• The display, cursor, and any error conditions are exactly as you left them.
• All settings and memory contents are retained.
Operating the Calculator
Description
Settings and memory contents are retained by the
Constant Memory™ feature. However:
• You cannot use
displayed.
• When you turn the calculator on again, it displays
either the Home screen or the Apps desktop
(regardless of the last application you used).
2 ®
Similar to
8 ®
• You can use
displayed.
• When you turn the calculator on again, it will be
exactly as you left it.
2 ®
if an error message is
except:
if an error message is
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