| URL | Title | Id |
|---|---|---|
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_14_8_004.html | Chapter 1. calc_tutorial_14_8_004 | 50bf4ebbb11c0f842f000000 |
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_14_8_004_dlap.xml | DLAP questions | 50bf4ebbb11c0f842f000000 |