Step 2 - Using RINPn in CUI Mode (Command-Line Terminal)

In this section, let's try another way of using RINPn: the CUI mode.

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How to Calculate in CUI Mode Without Any Settings

To use CUI mode without additional settings, execute "RINPn.jar" by passing an expression as a command-line argument as follows:

As shown, you can perform the same calculations as in GUI mode directly from the command-line.

How to Calculate in CUI Mode With Path Settings

Entering the full command-line and setting the current directory to the RINPn folder each time can be cumbersome. To simplify this process, it is useful to add the "cmd" folder of RINPn to your OS's "PATH" (or "Path") environment variable. Once done, you can perform calculations more simply using the "rinpn" command, regardless of the current directory:

Modifying the PATH environment variable depends on your operating system. For detailed instructions, search online with keywords like "how to set path (+ your OS name)." Be cautious when modifying the PATH as incorrect changes can cause serious problems on your PC. If you are unfamiliar with these settings and can seek assistance, it is advisable to do so.

How to Register the Path on Microsoft® Windows® 10 and 11

After placing the RINPn folder in a fixed location on your PC, follow the steps below to register the path:

Please note that if you move the RINPn folder to another location, you will need to update the registered path accordingly.

How to Register the Path on Linux® and Other Systems

First, place the RINPn folder in a fixed location on your PC. For example, let's assume it's placed in the following directory:

Next, use the cd command to navigate to the "cmd" directory inside the above directory, and grant execute permission to the "rinpn" file (no extension) with the following command:

Finally, open one of the following files in your home directory: ".bashrc" (hidden file), ".bash_profile", or ".profile" (the file that is valid depends on your OS or distribution). Then, add the following line at the end of the file: The above applies if your shell is bash. If you're using Ubuntu® or a system with dash as the default shell, surround the right-hand side with double quotes:

Note that the syntax may vary slightly depending on the shell. Please search for the details according to your environment.

That's it!