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&gt; 
&gt; 
&gt; ¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤~~~~~~~~~¤
&gt; 
&gt; david, you have called back to mind a number of loose threads
&gt; on the subject of quant calc that i cannot elaborate too much
&gt; at the moment but only try to collect them in one place again,
&gt; and maybe tie them to a title that i can find again in future.
&gt; 
&gt; exhibit 1.
&gt; 
&gt; &quot;A Simple Desultory Philippic&quot;
&gt; 
&gt; | In refe