But again, the root 'bug' is in floating point, which cannot exactly represent the numbers you give. See What Every Computer Scientist Should Know About Floating-Point Arithmetic.

c:\@Work\Perl>perl -wMstrict -le
"for my $f (5.245, 9.325) {
   print sprintf '%.20f', $f;
   }
"
5.24500000000000010000
9.32499999999999930000
[download]

Update: Slight cosmetic change to code example.