This free upgrade replaces your existing operating system. TI Connect™ for Windows® or TI Connect™ for Macintosh® is required to install this update.This free upgrade replaces your existing operating system. Version 2.09 includes the features below:
An easy to navigate icon desktop
Create your own app categories
Now compatible with the TI Keyboard
New Trigonometric and Hyperbolic functions
Clock and date functionality
St... https://education.ti.com/en/software/details/en/6D741EBCB35245FB96B4D7EA0CAC0220/89ti89operatingsystem
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