Solution 12085: Apps Icon Desktop Setting and Clock Functionality for the TI-89 or TI-92 Plus.
Is there an update to the TI-92 Plus and TI-89 to add the Apps icon desktop setting and clock?
The latest Operating System (OS) for the TI-89 and TI-92 Plus, version 2.09, adds the ease of the icon Apps desktop and clock functionality of the Voyage™ 200. Please note that the clock will only work on units whose About screens read Hardware Version 2.00. The About screen may be found by accessing the calculator's Home screen then pressing F1 Tools, and choosing A: About.
For additional instructions on performing matrix operations, refer to the online guidebook for your calculator.
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