| URL | Title | Id |
|---|---|---|
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_2_038.html | Chapter 1. | 4fa9aa32b11c0f7555000000 |
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_1_2_038_dlap.xml | DLAP questions | 4fa9aa32b11c0f7555000000 |