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.