You didn't like this one?

PI = 4 * ATN(1)

--
Rick (MVP - Excel)


"Prof Wonmug" wrote in message
...
On Tue, 28 Apr 2009 15:56:17 +1000, "AltaEgo" <Somewhere@NotHere
wrote:

Set a variable and use the variable

PI = Application.WorksheetFunction.Pi()

C = 2*PI*R

Yep, that's probably the best I can do. Thanks.