Open PARAM file

PARAM files: what are they and how do I open them?

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CASTEP script

A param file extension is related to the CASTEP software. A param file contains script.

Further details:

The param file extension is associated with CASTEP, a software package which uses density functional theory to provide a good atomic-level description of all manner of materials and molecules, originally developed by Prof. M.C. Payne.

The .param files contains all of the parameters which the user requires within the calculation. The parameters can be specified in any order but only one parameter must be specified per line. The most fundamental parameter is the task (there are other types of CASTEP calculation besides geometry optimization).

Open file with:

CASTEP

A material calculation software

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.param" has the file extension "param". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

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