Re: Operating with binary numbers
- To: mathgroup at smc.vnet.net
- Subject: [mg59089] Re: Operating with binary numbers
- From: dh <dh at metrohm.ch>
- Date: Thu, 28 Jul 2005 02:27:46 -0400 (EDT)
- References: <email@example.com>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, 2^^... and BaseForm are only concerned with input and output. Internally, the number representation is always the same. If you want get at the bits, you need: IntegerDigits and FromDigits if you are using reals: RealDigits and FromDigits sincerely, Daniel 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.