Whatever, I wouldn't call another perl instance just to do a calculation. You know that pragmas like bigint import semantincs into block scopes, don't you? 
$ perl -le '{use bigint; print 2**96} print 2**96'
79228162514264337593543950336
7.92281625142643e+28

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I hope that someone will give you a more appropriate answer though...

In reply to Re: converting big hex to dec by blazar
in thread converting big hex to dec by Anonymous Monk

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