In article <buq4ap$fsb$1 at news.service.uci.edu>, Josiah Carlson <jcarlson at nospam.uci.edu> wrote: >> Or, expressing the idea that they're the ends of a number line: >> >> PosInf, NegInf >> PosInfinity, NegInfinity >> PositiveInfinity, NegativeInfinity Highest and Lowest? Regards. Mel.