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TI-73 Explorer™ Operating System v 1.91


This operating system (OS) update provides calculator compatibility with TI Connect™ Software

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Item Name Version Size (KB)

download TI-73 Explorer Operating System 1.91 539

Feature Summary

This operating system (OS) update provides:
•Calculator compatibility with TI Connect™ Software
Installation of this version is highly recommended before installing any new Calculator Software Applications (Apps).
Steps to check your OS version:
  1. Press 2nd Mem on your TI-73 Explorer™
  2. Select 1:About
  3. Press Enter
  4. You should see Graph Explorer Software 1.91
  5. If you do not have OS version 1.91, you can download it FREE! Just click on "Get the Operating System" to your right.

*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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