LON-CAPA has a built-in help system for some pages. When you see , you can click on it to pop up a window containing help information about whatever you are doing.

In addition to the help built in to LON-CAPA, you can download printable versions of most of this help information:

Author's Manual: Focuses on authoring problems and maps
PostScript
Adobe PDF
 
Course Administrator's Manual: Focuses on creating, administering, and running courses
PostScript
Adobe PDF

You can also access the entire contents of these manuals online, but if you intend to read the entire manual, it would be easier to use the PDF or PS files.