CAS Situation 2: Absolute Value and Square Roots
Prepared at Pennsylvania State University
Mid-Atlantic Center for Mathematics Teaching and Learning
19 September 2006 - Heather Godine, Shiv Karunakaran, Evan McClintock

Situation PN3: Absolute Value in the Complex Plane
Prepared at University of Georgia
Independent Project
29 July 2006 -- Pawel Nazarewicz