Files with 89u suffix are firmware (system) upgrade files for TI-89 graphic calculator from Texas Instruments.
Software that open 89u file
89U file extension - TI-89 system update file
What is 89u file? How to open 89u files?
File type specification:
File extension 89u appears to be related to special firmware update files for TI-89 graphics calculators from Texas Instruments. Most likely loaded through TI Connect or other management tool for TI calculators.
The default software associated to open 89u file:
Company or developer:
Texas Instruments Inc.
TI Connect software is the new-generation link software, which takes TI calculator technology to a new level of calculator, computer and Internet connectivity. Downloading and transferring data, Operating System (OS) updates, Calculator Software Applications (Apps), and programs are easier than ever before.
List of recommended software applications associated to the .89u file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open 89u file, edit 89u file, convert 89u file, view 89u file, play 89u file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with 89u file - TI-89 system update file
Click on the software link for more information about TI Connect. TI Connect uses 89u file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).