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# Crystals, Oscillators & ceramic resonators.  All freq in MHz
# TODO: find way to specify tolerance: currently just using stated fre
+quency
...
RES     7.37        # ? "737 Cm 219"
RES     10.7
RES     16.93

actualFreq (error) = startFreq / divisor "div =" factors

$ ./find_xtal.pl 175k k5

...
    174,536 (    464) =  16,930,000 /   97  div = 97              
    175,476 (    476) =   7,370,000 /   42  div = 2 * 3 * 7

#!/usr/bin/perl
my $usage = <<EOHDR;
...

    return @factors;
}