4/1/13:	The Gradient
	The Gradient (Maple file; right-or control-click to download; open in Maple.)
4/3/13:	More on the Gradient
	More on the Gradient (Maple file; right-or control-click to download; open in Maple.)
4/5/13:	Wrapping up the Gradient, Intro to Extrema
4/8/13:	Finding absolute extrema on closed and bounded intervals
4/12/13:	Application of Optimization: Linear Regression. Also: Intro to Multiple Integration
	Graphs of the regions in the WeBWorK due 4/10; an example of using Maple to help find a Linear Regression Line. (Maple file; right-or control-click to download; open in Maple.)
	Using Maple to help with today's in-class work (Maple file; right-or control-click to download; open in Maple.)
4/15/13:	Double Integrals over Rectangular Regions
4/17/13:	Double Integrals over Other Regions
4/19/13:	Quick Look at Several Applications of Double Integrals
4/22/13:	Intro to Vector Fields
	Displays of some Vector Fields (Maple file; right-or control-click to download; open in Maple.)
4/24/13:	More on Vector Fields; Intro to Line Integrals with respect to Arclength
4/26/13:	Line Integrals with respect to arclength and componentwise
4/29/13:	Independence of Path; The Fundamental Theorem of Line Integrals
5/1/13:	Green's Theorem
5/3/13:	More on Green's Theorem