Pi isn't a function
It's a constant, or a ratio, depending upon how you look at it.
(
SpoonMeiser,
Wed 1 Nov 2006, 0:05,
archived)
if your programming....
you could create a variable called Pi, then set it to whatever value you want e.g.
Pi = 3.141582
/geek
(
LargeDoner,
Wed 1 Nov 2006, 0:08,
archived)