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| This operating system (OS) update provides:
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| • | Calculator compatibility with TI Connect™ Software |
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| Installation of this version is highly recommended before installing any new Calculator Software Applications (Apps).
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Steps to check your OS version:
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- Press 2nd Mem on your TI-73 Explorer™
- Select 1:About
- Press Enter
- You should see Graph Explorer Software 1.91
*Before you begin to install any new Apps or update your OS, be sure you have a new set of batteries in your TI calculator for optimum performance.
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