Hi All, Hi Ed, On your request [NEW] functions bit_and(x,y). bit_or(x,y), bit_xor(x,y), bit_not(x,y), bit_count(x) -- Best regards, Ruslan Zasukhin VP Engineering and New Technology Paradigma Software, Inc Valentina - Joining Worlds of Information http://www.paradigmasoft.com [I feel the need: the need for speed]