David, I posted your question to Jeff, now we'll both see if he answers. <ggg> In case he doesn't, my best recollection is that he uses crosses above/below the zero line as buy/sell signals. <img src=http://home.pacbell.net/alarussa/ai.jpg> MDA Thread <a href='board.asp?board_id=1320'>#board-1320</a> Turnips Thread <a href='board.asp?board_id=1125'>#board-1125</a> Trading Info <a href='board.asp?board_id=1220'>#board-1220</a> Retrace <a href='board.asp?board_id=1345'>#board-1345</a> PPT <a href='board.asp?board_id=1280'>#board-1280</a> <A HREF="http://www.angelfire.lycos.com/goth/augieboo" target="_new">http://www.angelfire.lycos.com/goth/augieboo</A>