Texas Instruments TITANIUM TI-89 - Manual (Page 234)

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)
• Unit ID
• Apps certificate revision number (Cert. Rev.)
Ê
OS version
Ë
Product identifier
Ì
Apps certificate revision number
Í
Hardware version
Î
Unit ID (required to obtain certificates for installing purchased Apps)
Your screen will be different from the one shown above.
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