The Help menu is part of the MacOS which provides access to various help functions as well as Plaque Simulator's Help window and the user guide.

• Plaque Simulator Help... - opens the Help window.
• Plaque Simulator User Guide... - launches your web browser and opens the local copy of this HTML user guide from the UserGuide folder in the Plaque Simulator Data folder. A local version of the guide is distributed on CD to licensed users. Unlicensed "demo" users must use the online version of the guide.
• Plaque Simulator Website... - launches your browser and takes you to the Plaque Simulator website on the USC Radiation Oncology server.