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MathGroup Archive 2007

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Re: RE: What is $MaxNumber on a 64 bit Computer?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80971] Re: [mg80909] RE: [mg80835] What is $MaxNumber on a 64 bit Computer?
  • From: DrMajorBob <drmajorbob at bigfoot.com>
  • Date: Thu, 6 Sep 2007 05:36:41 -0400 (EDT)
  • References: <200709040736.DAA23026@smc.vnet.net> <1004269.1189012108424.JavaMail.root@m35>
  • Reply-to: drmajorbob at bigfoot.com

I have the same result as Ingolf, with a 3-yr-old AMD 3200+ processor,  
WinXP, and Mathematica v6.

$MaxNumber

1.920224672692357*10^646456887

Bobby

On Wed, 05 Sep 2007 01:55:05 -0500, Ingolf Dahl <ingolf.dahl at telia.com> 
wrote:

> Strange, on my 32 bit PC:s (running Windows XP and Mathematica 5.2 and 
> 6.0),
> $MaxNumber is
> 1.9202246726923565854204690606`15.954589770191005*^646456887
>
> I use (single) Intel Pentium 4 processors. Maybe you use AMD processor s?  
> So
> maybe you have not to invest in a 64-bit processor, just to get a larger
> MaxNumber. (I hope I did not kill your best argument for upgrading ;-))
>
> By the way, I note that Exp[Log[$MaxNumber]] generates Overflow, but
> Exp[Log[$MaxNumber/2]] is OK on my computer. I use that in a program, so  
> I
> wonder if there is any other system where the last expression generates
> Overflow.
>
> Best regards
>
> Ingolf Dahl
>
>
>> -----Original Message-----
>> From: Ted Ersek [mailto:ted.ersek at tqci.net]
>> Sent: den 4 september 2007 09:37
>> To: mathgroup at smc.vnet.net
>> Subject: [mg80835] What is $MaxNumber on a 64 bit Computer?
>>
>>
>> On my 32 bit PC $MaxNumber = 1.440397193981*^323228010 I
>> wanted to know if any version has a larger $MaxNumber, and I
>> suppose if any computer does it would be a 64 bit machine.
>>
>> Thanks,
>>
>>        Ted Ersek
>>
>>
>>
>
>
>
>



-- 

DrMajorBob at bigfoot.com


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