Contour Plots with all sorts of free software!
Channel: Joe DiNoto
Date: 2012-07-08

There are many different ways to visualize contour plots.  Here I show how to do so using a variety of free software.

In the order they appear...
http://www.wolframalpha.com
http://amath.colorado.edu/java/
http://www.gnuplot.info/
http://www.dpgraph.com/graphing-users.html
http://math.exeter.edu/rparris/winplot.html

Also, Luray is in VIRGINIA, not PA. Info about Skyline Drive & The Appalachian Trail: 
http://www.nps.gov/shen/planyourvisit/driving-skyline-drive.htm