Curriculum : Curriculum
The publisher of has decided that new users wanting to improve their skills ought to read the following items:
  1. There are no curriculum elements in the database right now.

The curriculum bar at the bottom of each page shows what you've read. Once you've gotten through all items, the bar will disappear (i.e., you've graduated). How does the server know? Your progress is kept in a browser cookie. So if you use this service from a friend's computer, your progress won't be recorded unless you've logged in.