<html>
<head>
<style><!--
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
font-size: 10pt;
font-family:Verdana
}
--></style>
</head>
<body class='hmmessage'>
<br><br>&nbsp;I would like to know how to draw a zero y-axis (in addition to the top and bottom axes) when using ppk. Thank you.<br><br>Atte Hector Gz. Huizar<br>                                               </body>
</html>