Vi Hart, the Mathemusician takes exception to the use of π preferring to use τ...
You could lose or even loose yourself in the digits...
A mathematician's view. It actually does take him a while to get around to the actual value...
Finally, a truly beautiful rendition of π as music...
π is truly a magical number. I hope you enjoy the videos.
By the way my good friend and prolific diarist HB3 posted a great diary on the same subject this morning. Check it out.