"Frank" wrote in message
news:0R89k.658$7%6.42@edtnps82...
Area = PI*a*b, as defined below.

http://en.wikipedia.org/wiki/Ellipse

Frank
Thanks Frank,
From the wiki "The area enclosed by an ellipse is ?ab, where (as before) a
and b are the ellipse's semimajor and semiminor axes."
Now back to, why did I want to now that.
Mike