Volume by Shells in Calculus

[libman]

Works perfectly as a visual tool! Would be great to see the volumes values - BUT, fantastic as far as I am concerned. I can teach the theory much more easily with the 3D plot.

Might be best to clarify that a person needs to be working in 3D mode and also understand how to rotate a region about the x axis or a line parallel to the x axis first.

To all: See http://www.autograph-maths.com/inaction/td/Volumes.htm

Miss communicating with you SImon.

Thanks,
Libman,
aka G.Landry