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MathGroup Archive 2005

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Re: Operating with binary numbers

  • To: mathgroup at smc.vnet.net
  • Subject: [mg59062] Re: Operating with binary numbers
  • From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
  • Date: Thu, 28 Jul 2005 02:26:06 -0400 (EDT)
  • Organization: The Open University, Milton Keynes, U.K.
  • References: <dc77gl$k5p$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Wishmaster wrote:
> Hello,
> 
> I found that you can represent binary numbers in Mathematica with this:
> 
>  binary = 2^^110110101010111010
> 223930
> 
> And BaseForm[binary, 10] returns the number in decimal form
>   223930
> 
> I'd like to know if is there some function to test if a given bit of the 
> binary number is on, and to do operations like "shifting" the binary number. 
> I looked at the help but can't find anything.
> 
> I use Mathematica 5.0 on Windows XP.
> 
> Thanks.
Hi Wishmaster :-)

Have a look at the *Developer* package. It contains some functions such as

http://documents.wolfram.com/mathematica/functions/BitShiftRight

Best regards,
/J.M.


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