>> 89Q file

89Q file format description

Many people share .89q files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .89q file can be edited, converted or printed with. On this page, we try to provide assistance for handling .89q files.

1 filename extension(s) found in our database.

.89q - TI-89 Calculator Certificate Data

The 89Q data files are related to TI Navigator. 89Q file is a TI-89 Calculator Certificate Data. 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.

TI Navigator
Data files
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TI-89 Calculator Certificate Data related extensions:
TI-89 Calculator List Data
TI-83/84 Plus Certificate Data
SimpleMind Mind Map Style Data
yDecode Split Data
Digital Simulator Data
POSS Points 3D Data

Naturally, other applications may also use the .89q file extension. Even harmful programs can create .89q files. Be especially cautious with .89q files coming from an unknown source!

Can't open a .89q 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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