89P file - How do I open a .89p file?
The table below provides useful information about the .89p file extension. It answers questions such as:
- What is the .89p file?
- What program do I need to open a .89p file?
- How can the .89p file be opened, edited or printed?
- How can I convert .89p files to another format?
Table of Contents
- ✅ TI-89 Calculator Program
- 🔄 .89p file converters
- 🚫 .89p file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ TI-89 Calculator Program

The 89P file is a TI-89 Calculator Program. The TI-89 and the TI-89 Titanium are graphing calculators developed by Texas Instruments. They are differentiated from most other TI graphing calculators by their computer algebra system, which allows symbolic manipulation of algebraic expressions.
Other types of files may also use the .89p file extension.
🚫 The .89p file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .89p file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.89p
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .89p file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .89p file extension, write to us!