> with BigInt, the data hit the ceiling of xffffffffffffffff.

Show the code. It works for me: 

#!/usr/bin/perl
use warnings;
use strict;
use feature qw{ say };

use Math::BigInt;

my $x = 'Math::BigInt'->new('123456789' x 5);
say $x ** 1234;

[download]

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

[download]

In reply to Re^5: bc within perl by choroba
in thread bc within perl by amudelkaa

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