| URL | Title | Id |
|---|---|---|
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_6_029.html | Chapter 1. | 4fb01411b11c0f4a68000000 |
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_6_029_dlap.xml | DLAP questions | 4fb01411b11c0f4a68000000 |