Help Pages
As the semester progresses, we'll add reference pages here that provide extra help, reminders, or explanation of topics related to the lessons and homework assignments.
In addition to these pages, see the Course Policies section for important information about the course including this page about getting help:
We may add more help pages during the semester; generally we'll link to them from the particular assignment where they'd be useful, but you can also visit this page at any time to see what's available.
(When logged in, completion status appears here.)