| URL | Title | Id |
|---|---|---|
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_3_029.html | Chapter 1. | 4fd2200cb11c0f7f59000007 |
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_4_3_029_dlap.xml | DLAP questions | 4fd2200cb11c0f7f59000007 |