PLAS - Power Law Analysis and Simulation software

<body bgcolor="#FFFFFF" text="#000000" bgcolor="#FFFFFF" link="#0000EE" vlink="#551A8B" alink="#FF0000"> <table border=0 cellpadding=0 cellspacing=0> <tr> <td width=160 valign="top"> <center> <img SRC="plast.gif" height=88 width=135> </center> </td> <td> <table border=0 cellpadding=2 cellspacing=0> <tr><td> <img SRC="plas.gif" height=49 width=159> <font face="ARIAL, HELVETICA, LUCIDA SANS"> <b><i>for Windows&reg 32 bit systems.</i></b> </font> </tr></td> <tr><td> <font face="ARIAL, HELVETICA, LUCIDA SANS"> <b>Copyright © 1996 - 2000 by António Ferreira.</b> </font> </tr></td> <tr><td> <font face="ARIAL, HELVETICA, LUCIDA SANS"> <b>All rights reserved.</b> </font> </tr></td> </table> </td> </tr> </table> <hr> <font face="ARIAL, HELVETICA, LUCIDA SANS"> <table border=0 CELLPADDING=7 CELLSPACING=5> <tr> <td bgcolor="#3366FF" width=130 valign="top"> <table> <tr><td><font face="VERDANA, HELVETICA, LUCIDA SANS" size=2 color="#CCCCCC">&nbsp</font></td></tr> <tr><td><font face="VERDANA, HELVETICA, LUCIDA SANS" size=2 color="#CCCCCC"><b>Welcome</b></font></td></tr> <tr><td><a href="plasnewnf.html"><font face="VERDANA, HELVETICA, LUCIDA SANS" size=2 color="#FFFFFF"><b>What's new</b></font></td></a></tr> <tr><td><a href="plasfeatnf.html"><font face="VERDANA, HELVETICA, LUCIDA SANS" size=2 color="#FFFFFF"><b>Features</b></font></td></a></tr> <tr><td><a href="plasdownnf.html"><font face="VERDANA, HELVETICA, LUCIDA SANS" size=2 color="#FFFFFF"><b>Download</b></font></a></td></tr> </font> </table> </td> <td> <p> <p> <font face="ARIAL, HELVETICA, LUCIDA SANS" color="#0000FF" size=4> <b>WELCOME</b> </font> </p> <font face="VERDANA, HELVETICA, LUCIDA SANS" size=2> <p>Thank you for visiting the Web site of <b>PLAS</b>.</p> <P>PLAS (<b>P</b>ower <b>L</b>aw <b>A</b>nalysis and <b>S</b>imulation) is a tool for modeling integrative systems in which the dynamics of change can be described or approximated by <B>power-law differential equations</B>.</P> <P>Over the past three decades, systems with this structure have been applied successfully in numerous modeling studies. PLAS was written with the purpose of assisting researchers in the mathematical formulation and numerical evaluation of such systems. However, PLAS is not restricted to power-law forms and can also be used in the analysis of more general systems of ordinary differential equations.</P> <P>PLAS has a style of input based on a <b>textual declarative syntax</b> which is very flexible and easy to learn. PLAS has also a simple and intuitive graphical interface wich includes basic <b>plotting capabilities</b>, <b>tabular display</b> of results and online <b>help</b>. The program is particularly suitable for use in an educational environment.</p> <p>PLAS is <b>freely</b> available for dowload for personal and non-commercial use. (However, it is copyrighted and not "open source"). Read the <a href="plaslic.html">license</a> for further details.</p> <p>If you are interested in <b>power-law analysis</b> or <b>canonical modeling</b>, visit the <a href="http://www.udl.es/usuaris/q3695988/WebPL/main.htm">Power-Law Formalism Web site</a>.</p> <p>To learn more about PLAS, read the summary of <a href="plasfeat.html">features</a>. <p>To obtain a copy of PLAS, go to the <a href="plasdown.html">download</a> page. <p> Please contact the <a href="mailto:aenf@fc.ul.pt">author</a> for questions or comments. <p> </font> <hr> <center> <p>  <script language="javascript"></script> <script language="javascript1.1"></script> <script language="javascript1.2"></script> <script language="javascript1.3"></script> <script language="javascript"></script> <script language="javascript1.2"></script> <noscript> <a href='http://www.stats4all.com/asp/login.asp?sSiteName=plasfcul' target=_blank> <img BORDER=0 src='http://www.hit.stats4all.com/asp/hit.asp?sSiteName=plasfcul'></a> </noscript> <script language="javascript1.2"></script>  <font face="Arial,Helvetica"><font size=-2> Maintained by António Ferreira</font></font> <br><font face="Arial,Helvetica"><font size=-2>Last updated on 6 Nov 2000</font></font> </center> </td> </tr> </table> </body>