URL	Title	Id
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_6_024.html	Chapter 1.	4faf1d96b11c0fd262000019
http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_6_024_dlap.xml	DLAP questions	4faf1d96b11c0fd262000019