reminds me of an old rule of thumb: http://www.toothpastefordinner.com/031208/how-many-digits-of-pi-do-you-know.gif http://www.toothpastefordinner.com/031208/h

reminds me of an old rule of thumb: http://www.toothpastefordinner.com/031208/how-many-digits-of-pi-do-you-know.gif http://www.toothpastefordinner.com/031208/how-many-digits-of...