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Re: $MaxNumber

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  • Subject: [mg117311] Re: $MaxNumber
  • From: Bob Hanlon <hanlonr at>
  • Date: Tue, 15 Mar 2011 06:02:08 -0500 (EST)

I have a 64-bit machine and latest release and get the lower $MaxNumber

{$System, $Version, $ReleaseNumber}

{"Mac OS X x86 (64-bit)", "8.0 for Mac OS X x86 (64-bit) (February \
23, 2011)", 1}



Verifying that this is the limit

2 $MaxNumber

General::ovfl: Overflow occurred in computation. >>


Whereas on the same machine with v6

{$System, $Version, $ReleaseNumber}

{"Mac OS X x86 (64-bit)", "6.0 for Mac OS X x86 (64-bit) (May 21, \
2008)", 3}



Bob Hanlon

---- John Fultz <jfultz at> wrote: 

Perhaps you have Home Edition of Mathematica.  Until the most recent release (8.0.1, released just a few days ago), Home Edition included only 32-bit versions of Mathematica.


John Fultz
jfultz at
User Interface Group
Wolfram Research, Inc.

----- Original Message -----
> From: "a evans" <aeospam at>
> To: mathgroup at
> Sent: Sunday, March 13, 2011 5:24:42 AM
> Subject: [mg117253] $MaxNumber
> I would be grateful if someone could help me to understand why my
> $MaxNumber is seemingly much lower than it should be. I am running
> modern equipment (quad-core 64bit) with windows 7 64-bit and
> Mathematica 8.0. The $MaxNumber according to my machine is :
> 1.233433712981650*10^323228458. According to reports at the URL below
> the $MaxNumber on 64-bit machines in Mathematica 6.0 is up to
> 2.093117322269914*10^646456781. This is also the number given in the
> wolfram documentation. Any information on how to resolve this I would
> kindly appreciate.
> Many regards,
> Arthur

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