in reply to Re^3: Iso electric point calculation using perl
in thread Iso electric point calculation using perl

line 104

      $result += $acid{$aa}/(1+10**($pka{$aa}-$pI));

line 107

      $result -= $base{$aa}/(1+10**($pI-$pka{$aa}));

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Re^5: Iso electric point calculation using perl
by Anonymous Monk on Jul 23, 2013 at 06:24 UTC

    You must have forgotten to declare those variables. If you run it without using strict it won't raise an error.

      thank you