To change the settings on your Ti-89 Titanium, press the "Mode" button on the calculator. This will bring up the mode menu, where you can navigate to the setting you wish to change using the arrow keys. Once you have found the setting, use the "+" and "-" buttons to adjust the value as desired.
If your settings on your Ti-89 Titanium are different from before, it is likely that you or someone else accidentally changed them. It is also possible that the calculator was reset, which would reset all settings to their default values. You can easily change the settings back to your preferred values by following the steps in the first question.
Yes, you can save your settings on your Ti-89 Titanium. To do so, go to the "Mode" menu and navigate to the "Save Settings" option. Press enter and then choose a slot to save your settings to. This will allow you to quickly load your preferred settings in the future.
To reset the settings on your Ti-89 Titanium to default, go to the "Mode" menu and navigate to the "Restore Settings" option. Press enter and then select the "Default" option. This will reset all settings to their default values.
If you are trying to change the settings on your Ti-89 Titanium but they are not changing, it is possible that the calculator is in a locked state. To unlock the calculator, press the "2nd" and "Apps" buttons simultaneously. This will bring up the "Unlocked" message and allow you to make changes to the settings.