These formulæ provide convenient installation of Calculix FEA software on MacOS.
brew install costerwi/homebrew-calculix/calculix-ccx
Or brew tap costerwi/homebrew-calculix and then brew install calculix-ccx.
IMPORTANT First read the Troubleshooting Checklist.
Use brew gist-logs calculix-ccx to create a Gist and post the link in your issue.
Search open and closed issues. See also Homebrew's Common Issues and FAQ.
brew help, man brew or check Homebrew's documentation.