1/23/08:	Intro to multi - a function of several variables and a vector-valued function: (Maple file; download to your desktop by right-or control-clicking; then open in Maple.)
1/25/08:	Practice with vectors
	Solutions
1/28/08:	Using scalar and/or vector products to begin thinking about lines and planes in space
	Solutions
1/30/08:	The graph of the plane 3x-z=0(Maple file; download by right- or control-clicking)
	Working with lines and planes in space
	Solutions
2/1/08:	A few vector-valued functions(Maple file; download by right- or control-clicking)
2/4/08:	Intro-working with vector-valued functions
2/6/08:	Intro-working with vector-valued functions, revisited (cow in a tornado)
	A visual display of where the cow is moving horizontally and where it's moving straight up/straight down(Maple file; download by right- or control-clicking)
	Solutions to today's in-class work, using several Maple commands (like fsolve)(Maple file; download by right- or control-clicking)
	Unfinished example from class - cow launched from tower
2/8/08	Curvature: an illustration on two circles(Maple file; download by right- or control-clicking)
2/11/08:	Tangential and Normal Components of Acceleration
	Solutions to Today's In-Class Work
2/13/08:	Intro to Quadric Surfaces - sketching traces, and identifying
	A few traces and quadric surfaces to display(Maple file; download by right- or control-clicking)
2/15/08:	More on Quadric Surfaces - sketching traces, identifying,and finding equations
	More traces and quadric surfaces to display(Maple file; download by right- or control-clicking)
2/18/08:	Converting parametric equations into a relationship between x,y, and z.
2/20/08:	Converting a relationship between x,y, and z into parametric equations.
	Plotting surfaces in Maple w/ implicitplot3d vs with parametric equations; intro to multi-variate functions and ways to understand them with graphs other than graphs of surfaces(Maple file)
2/22/08:	Level curves, contour plots, surfaces
2/25/08:	Practice with showing a multivariate function doesn't have a limit
	Visualizing limits of functions of 2 variables(Maple file)
2/29/08:	Visualizing rates of change for functions of 2 variables(Maple file)