| URL | Title | Id |
|---|---|---|
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_5_039.html | Chapter 1. | 4fdb8ec5b11c0f7710000000 |
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_5_039_dlap.xml | DLAP questions | 4fdb8ec5b11c0f7710000000 |