f SHAPE <SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img2.svg"
 ALT="$\geq $"></SPAN> 10 and <SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img14.svg"
 ALT="$&lt;$"></SPAN> 19, then use SHAPE-10, and write out the
resulting potential to <EM>Output file 25</EM> in FORMAT(6E12.4):
a form suitable for subsequent reading by a SHAPE <SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img2.svg"
 ALT="$\geq $"></SPAN> 20.

<P>

<P>
<BR>

<P>
If SHAPE <SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img2.svg"
 ALT="$\geq $"></SPAN> 20 and <SPAN CL