On Feb 11, 2013 8:49 PM, "Gordon Joly" <gordon.joly@pobox.com> wrote:

http://en.wikipedia.org/wiki/Interval_arithmetic

YMMV,

Gordo


_______________________________________________
Wikimedia UK mailing list
wikimediauk-l@wikimedia.org
http://mail.wikimedia.org/mailman/listinfo/wikimediauk-l
WMUK: http://uk.wikimedia.org