From the way the problem has been described, Foresaken's suggestion seems the best in the KISS category. 

$max = 0;
for $i (1 ..500) {#your loop
   $mutual = some_calculation;
   if ($mutual > $max) {$max = $mutual;)
}

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In reply to Re: getting the highest value in a simpler way by punch_card_don
in thread getting the highest value in a simpler way by replicant4

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