TI-85 complex data
File type: Various data file
A .85c file is a TI-85 complex-data file containing complex-number data for the TI-85 graphing calculator.
File type category:
Various data file
Date updated: October 9, 2026
The .85c file format is associated with the TI-85, a programmable graphing calculator developed by Texas Instruments and based on a Zilog Z80 processor.
An .85c file stores complex-number data used by the calculator.
TI Connect for Microsoft Windows can be used to transfer compatible TI-85 files between a computer and the calculator.
Use TI Connect on Microsoft Windows to transfer the .85c file to a connected TI-85 calculator. The calculator can then use the stored complex-number data.
To use the data in another format, transfer it to a TI-85 and recreate or export the values with software that supports the calculator's data formats.
Software applications that handle other tasks involving 85c files:
Microsoft Windows
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