.73C File

.73c is TI-73 Constant File

Key Features: .73C File Extension

Features	Description
File Extension	.73c
Format	N/A
Created by	Texas Instruments
Category	Data

What's on this Page

How to open:
How to convert:

What is an .73C file?

The 73c file extension is associated with programmable calculators developed by the Texas Instruments.

The 73c file stores complex number for Texas Instruments TI-73 graphics calculator based on popular Zilog Z80 platform.

This 73c file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

A 73c file extension is related to the Texas Instruments TI-73 complex number data format. Probably obsolete format.

How to open:

Use compatible tools to work with *.73c files.

How to convert:

Probably cannot be converted to anything else.

TI-73 Constant File - File openers

Windows

Texas Instruments TI Connect

Mac

Texas Instruments TI Connect

How to solve problems with 73C files

Associate the 73C file extension with the correct application. On :
Windows: Right click on any 73C file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.73C files". Mac: Right click (or Ctrl-click) the 73C file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
Update your software that should actually open .73C is TI-73 Constant File. Because only the current version supports the latest 73C file format. Search, therefore, e.g. on the Texas Instruments manufacturer website after an available .73C is TI-73 Constant File update.
To make sure that your 73C file is not corrupted or virus-infected, get the file again and scan it with antivirus software.