Click on the big OYSTER logo button to start a browser (Netscape) on OYSTER's main HTML help page (oyster/html/oyster.html). These pages provide brief reminders of implemented features. (This page is under construction for the forseeable future.) Some of the widget routines provide HELP buttons. At the PV-WAVE prompt, type info for help, help at the IDL prompt. Type info for a list of currently defined IDL variables and available procedures and functions.