This is the documentation for PG, the problem authoring language for WeBWorK. The links below include POD (Plain Old Documentation), explaining how to use PG macros and related modules as well as sample problems.
A list of most sample problems by category.
A list of most sample problems by subject area.
A list of most sample problems by problem technique.
For many macros, this lists all sample problems used by the macro.
A list all PG Plain Old Documenation.
The WeBWorK Documentation Wiki which contains much more documentation for both WeBWorK and PG.