3/1/10:	Intro to parametric surfaces: Given parametric equations for a surface, find a relationship between x, y, and z to describe the surface.
	Solutions to today's in-class work
3/5/10:	Intro to parametric surfaces: Given the equation of a surface, find parametric equations for it.
	Surfaces and parametrizations in Maple; Solutions to Today's In Class Work; Intro to contour plots (Maple file; right-or control-click to download; open in Maple.)
3/8/10:	Graphing Functions of 2 variables - surfaces, level curves/contour plots. Also, intro to limits.
	Solutions to today's in-class work
	Contour and Density plots (Maple file; right-or control-click to download; open in Maple.)
3/10/10:	Intro to limits
	Solutions to today's in-class work
	Limits: what can happen along different paths approaching the limit point (Maple file; right-or control-click to download; open in Maple.)
3/12/10:	Intro to Partial Derivatives
	Solutions to today's in-class work
	Graphical motivation for partial derivatives (Maple file; right-or control-click to download; open in Maple.)
3/22/10:	More on Partial Derivatives; Brief Intro to Tangent Planes
	Solutions to today's in-class work
	Displays to illustrate some points about partial derivatives, classifying critical points (Maple file; right-or control-click to download; open in Maple.)
3/24/10:	Tangent Planes
	Solutions to today's in-class work
	Maple file for RQ #1,#2 (Maple file; right-or control-click to download; open in Maple.)
3/26/10:	The Chain Rule(s) for Multivariate Functions
	Solutions to today's in-class work
3/29/10:	Directional Derivatives
	Solutions to today's in-class work
3/31/10:	The Gradient
	Solutions to today's in-class work