[Blindmath] binary basics

Jorge Paez jorgeapaez1994 at gmail.com
Fri Mar 20 15:32:28 UTC 2015


Thanks everyone.
Awesome post by the way Tyler , very helpful.
For those of you who wrote binary notation in your message though,
what's the B supposed to represent?
Is that what you use instead of the exponent symbol?





On 3/20/15, derek riemer via Blindmath <blindmath at nfbnet.org> wrote:
> As well, Adding, subtracting, ... is the same. We carry the 1 if adding.
>
> 2+2
>
> 0b10 + 0b10
>
> 10
> 10
> --------
> 100
> What I did there is 1+1 is 10 in binary, or 2 in base 10. The 0 gets
> dropped in the 2's place, and the 1 gets carried. Then we add it to
> whatever is in the 4's place, and there you go.
> In most real world places, you would convert the binary to hex, and use
> that for addition, because it is simply easier.
>
> On 3/20/2015 8:42 AM, Littlefield, Tyler via Blindmath wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Here you go, I wrote this a while back.
>> https://tysdomain.com/blog/?p=133
>> On 3/20/2015 10:37 AM, Bill Dengler (Windows 7 on Retina macBook Pro)
>> via Blindmath wrote:
>>> I'll write a quick intro : Binary is the base 2 number system, so
>>> it's place values are powers of 2. 2, 4, 8, 16, 32, 64, 128, 256,
>>> 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, etc. To represent
>>> a number in binary, you must represent it using 1 and the powers of
>>> 2. If a number has a power, insert a 1, if not 0. For example : 1
>>> 0b1 2 0b10 (2+0) 3 0b11 (2+1) 4 0b100 (4+0 twos+0 ones) 7 0b111
>>> (4+2+1) 9 0b1001 (8+0 fours+0 twos+1) If you need more
>>> clarification please email. Thanks, Bill. -----Original
>>> Message----- From: Blindmath [mailto:blindmath-bounces at nfbnet.org]
>>> On Behalf Of Jorge Paez via Blindmath Sent: Friday, March 20, 2015
>>> 10:16 AM To: Blind Math list for those interested in mathematics
>>> Subject: [Blindmath] binary basics
>>>
>>> Hi all: I was wondering if anyone knew of a book that I could get
>>> on bookshare that would be a good introduction to binary numbers?
>>>
>>>
>>>
>>> -- Thank you.
>>>
>>>
>>>
>>>
>>> Jorge A. Paez
>>>
>>> LinkedIn: http://www.linkedin.com/in/jorgeapaez
>>>
>>> Elance page: http://jorgeapaez1994.elance.com
>>>
>>> _______________________________________________ Blindmath mailing
>>> list Blindmath at nfbnet.org
>>> http://nfbnet.org/mailman/listinfo/blindmath_nfbnet.org To
>>> unsubscribe, change your list options or get your account info for
>>> Blindmath:
>>> http://nfbnet.org/mailman/options/blindmath_nfbnet.org/codeofdusk%40gmail.co
>>>
>>>
>> m
>>> BlindMath Gems can be found at
>>> <http://www.blindscience.org/blindmath-gems-home>
>>>
>>>
>>> _______________________________________________ Blindmath mailing
>>> list Blindmath at nfbnet.org
>>> http://nfbnet.org/mailman/listinfo/blindmath_nfbnet.org To
>>> unsubscribe, change your list options or get your account info for
>>> Blindmath:
>>> http://nfbnet.org/mailman/options/blindmath_nfbnet.org/tyler%40tysdomain.com
>>>
>>>
>> BlindMath Gems can be found at
>> <http://www.blindscience.org/blindmath-gems-home>
>>
>> - --
>> Take care,
>> Ty
>> twitter: @sorressean
>> web:http://tysdomain.com
>> pubkey: http://tysdomain.com/files/pubkey.asc
>> -----BEGIN PGP SIGNATURE-----
>> Version: GnuPG v2
>>
>> iQEcBAEBAgAGBQJVDDHAAAoJEAdP60+BYxejSeoH+wcMG6uylLbHFUTcjgtqBqB1
>> r1I8+XQ8xBy87azSqIgVYuJSlTsndybEyiejHuxBC5L3yooIncuLz4XvE+QUu5aZ
>> SCbn0KLjV/v16RpeU/OgdYzQSvpRv+rugTcFGQw+S15XPkfcGl5hgVZln4nkfvdp
>> endMhSSpKYMHtO2vaD3fU/GB4mZZnOgnRxINGDATRIGn46lsTWgeOZAHhoaT+hlT
>> 87FpyqGx7sxU3BtgQib6Ghgw3Ar3VvGfB7SVV0pAUHaFrNIefOaIjifiSWXitzgM
>> xs4Ewr5P6Hjj/8xMSjFPyX2lRRgJF0dhqF2s+yCkjlp9yEDEwHhT8hAwiEUTOYU=
>> =BGl+
>> -----END PGP SIGNATURE-----
>>
>> _______________________________________________
>> Blindmath mailing list
>> Blindmath at nfbnet.org
>> http://nfbnet.org/mailman/listinfo/blindmath_nfbnet.org
>> To unsubscribe, change your list options or get your account info for
>> Blindmath:
>> http://nfbnet.org/mailman/options/blindmath_nfbnet.org/derek.riemer%40colorado.edu
>> BlindMath Gems can be found at
>> <http://www.blindscience.org/blindmath-gems-home>
>
> --
> ------------------------------------------------------------------------
>
>
>     Derek Riemer
>
> Department of Computer science Undergrad, proud CILA member, music
> lover, avid skier, and much more.
>
> "Not everything that is faced can be changed, but nothing can be changed
> until it is faced." - James Baldwin
>
> email me at derek.riemer at colorado.edu <mailto:derek.riemer at colorado.edu>
> Phone: (303) 906-2194
>
> _______________________________________________
> Blindmath mailing list
> Blindmath at nfbnet.org
> http://nfbnet.org/mailman/listinfo/blindmath_nfbnet.org
> To unsubscribe, change your list options or get your account info for
> Blindmath:
> http://nfbnet.org/mailman/options/blindmath_nfbnet.org/jorgeapaez1994%40gmail.com
> BlindMath Gems can be found at
> <http://www.blindscience.org/blindmath-gems-home>
>


-- 
Thank you.




Jorge A. Paez

LinkedIn: http://www.linkedin.com/in/jorgeapaez

Elance page: http://jorgeapaez1994.elance.com




More information about the BlindMath mailing list