I have quite a dozen of repeated formulas 
     $list_total_perla+= $perla;
     $list_total_perlb+= $perlb;
     $list_total_perlc+= $perlc;
     $list_total_perld+= $perld;
     $list_total_perle+= $perle;
     $list_total_perld+= $perld;

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Tried using an array 
@shorten = (perla, perlb, perlc, perld, perle, perld);

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to shorten the formula. But I am having difficulty calling the variables e.g. $list_total_perld

In reply to Shorten the list of computation by figgy

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