.89x is Texas Instruments TI-89 macro
Key Features: .89X File Extension
|Created by||Texas Instruments Inc.|
|Category||Source code and script|
What is an .89X file?
The 89x file extension is associated with the programmable calculator TI-89 and TI Connect software for Microsoft Windows operating system.
The 89x file stores macro created for Texas Instruments TI-89 calculator.