.89U File Extension

.89U File Extension

File Type

TI-89 Titanium Operating System File

Developer Texas Instruments
Popularity
2.0  |  1 Votes
Category System Files
Format Binary

What is an 89U file?

An 89U file is an operating system (OS) file used by Texas Instruments TI-89 Titanium handheld graphing calculators. It contains an update that can be manually applied to a calculator's OS. 89U files are provided by Texas Instruments via an emailed download link.

More Information

Middle school, high school, and college students use TI-89 Titanium graphing calculators to plot functions, analyze numerical data, solve complex equations, and perform other mathematical operations. The TI-89 Titanium uses its own unique OS, which can be updated when the calculator is connected to a computer that has Texas Instruments TI Connect installed.

Most often, to update a TI-89 Titanium calculator's OS, users simply click the Update button found in TI Connect. However, in certain rare scenarios, a user may have to manually update their TI-89 Titanium's OS. In those instances, the user will receive an 89U file from Texas Instruments, which they must manually install on their TI-89 Titanium.

How do I open an 89U file?

After receiving an 89U file from Texas Instruments, open the TI Device Explorer found within TI Connect. Then, drag your 89U file into TI Device Explorer. This should prompt TI Device Explorer to begin updating your TI-89 Titanium calculator.

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Programs that open 89U files

Updated November 18, 2020

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