<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:10pt;color:#000000;">Hi<br><br>To calculate "Volume Optimization", I follow the procedure set out in page 28 of the user guide, but I get no graphics.<br><br>I use Wien2k_11.<br><br>What is correct procedure?<br><br>Thanks<br><div> </div><span style="font-style: italic;">José A. Camargo</span><br></div></body></html>