Animation:Arc Railway

http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/ArcRailMD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/ArcRailMD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/ArcRailMD.html[/url]
– Daniel Mentrard

Information: Animation:Arc Railway