"0" BGCOLOR="#efefef" WIDTH="100%">
<TR>
<TD>
<PRE>
<font color="#82140F">
open "awk 'BEGIN{for(i=0;i&lt;3.141;i+=0.05)\
    {print(i,cos(i))}}' |"
read columns x y
close
draw curve
</font></PRE>
</TD>
</TR>
</TABLE>
<p>


<li> <b>Let Gri calculate things for you</b>
<p>
The simplest is to let Gri
calculate things for you with the `<font color="#82140F"><code>create columns from function</code></font>'
command (see <a href="Create.html#Create">Create</a>).  The command assumes that you have defined
the syno