Inverse function
http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/InversfuncMD.html
[url=http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/InversfuncMD.html]http://dmentrard.free.fr/GEOGEBRA/Maths/Export5/InversfuncMD.html[/url]
Information: Inverse function