unless ( $A > 0 && $B > 0 && $C > 0 ) {
        if ( $A > 0 && $B > 0 ) { $var = "C" }
        if ( $A > 0 && $C > 0 ) { $var = "B" }
        if ( $B > 0 && $C > 0 ) { $var = "A" }
        if ( $var eq "C" ) {
            $sum = $angles{B} + $angles{A};
            $other = 180 - $sum;
            $angles{$var} = $other;
            $C = sprintf( "%.10f", Math::NumberCruncher::deg2rad( $other ) );
        } elsif ( $var eq "B" ) {
            $sum = $angles{A} + $angles{C};
            $other = 180 - $sum;
            $angles{$var} = $other;
            $B = sprintf( "%.10f", Math::NumberCruncher::deg2rad( $other ) );
        } elsif ( $var eq "A" ) {
            $sum = $angles{B} + $angles{C};
            print ("Sum: $sum\n");
            $other = 180 - $sum;
            $angles{$var} = $other;
            $A = sprintf( "%.10f", Math::NumberCruncher::deg2rad( $other ) );