our math software Maple accessible to all

• Maple brings lifeless equations and derivations alive!
  http://www34.homepage.villanova.edu/robert.jantzen/maple/misc/squarewheelbob.htm
  
• calculus is about "change": animation visualizes change!
  http://www34.homepage.villanova.edu/robert.jantzen/maple/MapleRepository/ExploreTangentLine.mw
  
• differential equations describe nature.
• 2 mass three spring system example (two variables):
  http://www34.homepage.villanova.edu/robert.jantzen/courses/mat2705/handouts/2mass-springsystems.htm
  http://www34.homepage.villanova.edu/robert.jantzen/courses/index.htm#mapletease
• multistory building earthquake response (N variables):   
  http://www34.homepage.villanova.edu/robert.jantzen/courses/mat2705/handouts/earthquakelinks.htm
  
• Earth Venus orbit pattern (8 Earth years = 13.004 Venus years!)
  https://www.google.com/search?q=earth+venus+orbit+pattern&rlz=1C1GCEA_enUS848US848&oq=earth+venus+orbit+pattern
  http://www34.homepage.villanova.edu/robert.jantzen/maple/venus/index.htm