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What are CALC files and how to open them

Are you having problems opening a CALC file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your CALC files.

What is a CALC file?

CALC files have multiple uses, and EasyCalc spreadsheet is one of them. Read more about the other uses further down the page.

EasyCalc spreadsheet

These CALC files contain the scientific graphs created in EasyCalc, a scientific graphing calculator used on PalmOS devices. It has the features of all the scientific calculators except for the CAS calculator series. You enter the functional expressions, and the program draws the graph for you.

How to open CALC files

Important: Different programs may use files with the CALC file extension for different purposes, so unless you are sure which format your CALC file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested three different CALC openers which you will find listed below.

Last updated: March 1, 2021

All known file formats using extension .CALC

While EasyCalc spreadsheet is a popular type of CALC-file, we know of 2 different uses of the .CALC file extension. Different software may use files with the same extension for different types of data.

SFX Advanced Calculator Spreadsheet

We know that one CALC format is SFX Advanced Calculator Spreadsheet. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of CALC files. Remember, different programs may use CALC files for different purposes, so you may need to try out a few of them to be able to open your specific file.

CalcTapeCalcTapeUser submitted
SFR CalculatorSFR CalculatorUser submitted
SFR CalcTapeSFR CalcTapeUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about CALC file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.