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<HTML>
<HEAD>
<TITLE>Getting started</TITLE>
</HEAD>
<BODY BGCOLOR="#FFFFFF" TEXT="#000000">
<P><A NAME="gettingstarted"></A>
<font size="+3" color="green"><B>Getting started</B></font></P>
<P>
One can immediately start using
<font size="-1" face="Arial black" color="red">EXTREMA</font> by
learning just a few basic commands. A straight-forward use for
<font size="-1" face="Arial black" color="red">EXTREMA</font> is to read two lists of
numbers from a file, draw a graph of one list versus the other list, and label
the graph with a character string. For example:</P>
<font color="blue"><PRE>
READ file.dat x y
GRAPH x y
TEXT 'Some text label'
</PRE></font>
<P>
<a href="Conventions.htm"><img src="../shadow_left.gif">
<font size="+1" color="olive">Conventions used in this manual</font></a><br />
<a href="Commands.htm"><img src="../shadow_right.gif">
<font size="+1" color="olive">Commands</font></a>
</P>
</BODY>
</HTML>
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