I have several Desmos pages. They are easier to find by using the drop down menu above. But, if you wish to do a lot of clicking, you can use the links below.
Desmos Basics – Some of the introductory links I have found
Functions by Topic – Additional special examples that can be used to learn some interesting techniques.
Teachers who rock Desmos – Exactly what it says. A collection of teachers pages on Desmos.