"Dutton, Sam" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > I've noticed that the value of math.pi -- just entering it at the > interactive prompt -- is returned as 3.1415926535897931, whereas (as every > pi-obsessive knows) the value is 3.1415926535897932... (Note the 2 at the > end.)
Another way of saying it is: 3.1415926535897932 is of course an approximation. It's the closest approximation to pi given X digits in base 10. In base 2 the closest approximation to pi given Y digits is different. -- http://mail.python.org/mailman/listinfo/python-list
