Download PrefixToInfixCalc.jar from this repository.
Make sure you have Java installed. To check, open terminal and type "java -version".
My current java version:
java version "20.0.1" 2023-04-18
Java(TM) SE Runtime Environment (build 20.0.1+9-29)
Java HotSpot(TM) 64-Bit Server VM (build 20.0.1+9-29, mixed mode, sharing)
In the terminal, enter the directory where the PrefixToInfixCalc.jar is downloaded.
For exmaple, all my downloaded files are inside the downloads folder, so I would enter the downloads directory.
cd downloads
Then run the command below in the terminal to run the PrefixToInfixCalc.jar file.
java -jar PrefixToInfixCalc.jar