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<BR><SPAN style="font-family:monospace">points</SPAN>: number of data points (default: keep reading as many as possible),

<BR><SPAN style="font-family:monospace">delta</SPAN>: if non-zero, construct linear x-scale from <SPAN style="font-family:monospace">xmin</SPAN> in steps of <SPAN style="font-family:monospace">delta</SPAN>,
 (default 0)
<BR><SPAN style="font-family:monospace">lab</SPAN>: T  for lab angles and cross sections (default F for cm frame).
<BR><SPAN style=