wickedjester:
You don't show your code, but I'm pretty sure you're not doing what you think you're doing. Specifically, I believe you're adding 41 copies of 0.001, as that's the only way I can reproduce your results:
$ cat t.pl
#!/usr/bin/perl
my @a = (0.001) x 41;
my $sum=0;
$sum += $_ for @a;
print "Avg: ", $sum/40, "\n";
$ perl t.pl
Avg: 0.001025
...roboticus
When your only tool is a hammer, all problems look like your thumb.
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