Texas Instruments
Texas Instruments: Graphing an Extra Dimension
In this activity, students learn to graph equations in 3-D space called surface. They learn to use graphs in 3-D. They will focus on the characteristics of surface types called paraboloids.
Wolfram Research
Wolfram Math World: Paraboloid
This site from Mathworld.com defines and describes a paraboloid. Includes information about a number of the properties of the paraboloid, including the formulas for finding; volume, mean and Gaussian curvature, centroid and fundamental...