Texas Instruments TITANIUM TI-89 User Manual page 204

Indicator
Battery
History Pairs,
Busy/Pause,
Archived
23/30
BUSY
PAUSE
Œ
Notes:
To cancel 2, 8, j, or ¤, press the same key again or press a different
•
modifier key.
• If the next key you press does not have a diamond feature or an associated letter,
the key performs its normal operation.
Operating the Calculator
Meaning
Displayed only when the batteries are getting low. If
BATT is shown with a black background, change the
batteries as soon as possible.
The information shown in this part of the status line
depends on the application you are using.
Displayed on the Home screen to show the number of
entry/answer pairs in the history area. Refer to History
Information on the Status Line in the Calculator Home
Screen module.
A calculation or graph is in progress.
You paused a graph or program.
The variable opened in the current editor (Data/Matrix
Editor, Program Editor, or Text Editor) is locked or
archived and cannot be modified.
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