Originally posted by bearmech
PIE X radius squared x length = the volume of a cylinder
PIE= 3.1428
No, actually 3.1428 is 22/7. That only approximates Pi.
A calculator will show 3.1415927 if you punch the pi button, and that's an approximation.
3.142 is close enough for this, though.
Just being picky,
Dave Olson