Texas Instruments TI-89 Manuel D’Utilisation

Calculator Home Screen

 234

The About screen displays the following information about your calculator:

•

Hardware version

•

OS (Advanced Mathematics Software) version

•

Product identifier (Product ID)

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Unit  ID

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Apps certificate revision number (Cert. Rev.)

Ê 

OS version

Ë 

Product identifier

Ì 

Apps certificate revision number

Í 

Hardware version

Π

Unit ID (required to obtain certificates for installing purchased Apps)

Your screen will be different from the one shown above.

Ê
Ë
Ì

Í
Î