The answers so far probably don't satisfy the "without touching the maxx" requirement; it may depend on your definition of "touching". You might get away with it by subtracting a tiny fraction of delta from maxx before using the division approach... :) Luc Pattyn [My Articles] Nil Volentibus Arduum

The "or else" my parents would use to threaten me! Glad to see it's made its way into the hall of shame. "I have a theory that the truth is never told during the nine-to-five hours. " — Hunter S. Thompson