| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_2_1_013.html | Chapter 1. Calculus Tutorial 2.1.013
| 4edeb87db11c0f972d000000 |
| http://digfir-published.macmillanusa.com/calc_tutorial/calc_tutorial_2_1_013_dlap.xml | DLAP questions | 4edeb87db11c0f972d000000 |