**From:** Doug Ewell (*dewell@adelphia.net*)

**Date:** Mon Oct 11 2004 - 01:19:05 CST

**Previous message:**Cristian Secarã: "Re: bit notation in ISO-8859-x is wrong"**In reply to:**Cristian Secarã: "Re: bit notation in ISO-8859-x is wrong"**Next in thread:**James Kass: "Re: bit notation in ISO-8859-x is wrong"**Reply:**James Kass: "Re: bit notation in ISO-8859-x is wrong"**Messages sorted by:**[ date ] [ thread ] [ subject ] [ author ] [ attachment ]**Mail actions:**[ respond to this message ] [ mail a new topic ]

Cristian SecarÄƒ <orice at secarica dot ro> wrote:

*>> Most people begin counting with one, although in the recent
*

*>> past some computer technicians have begun to begin counting
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*>> with zero.
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*>
*

*> There is serious reason for that: when it comes to exponent of 2,
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*> counting from zero makes sense, as the first bit (b0) value
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*> calculation is 2^0=1, the second bit (b1) value calculation is 2^1=2,
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*> ..., the eight bit (b7) value calculation is 2^7=128.
*

*>
*

*> This is for 8 bit, but the same apply for 16 etc. number of bits (the
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*> same apply to Unicode characters in binary representation).
*

This is important only if the bit combinations that make up character

codes can be freely converted to and from integer values like 128.

Depending on the hardware and/or software involved, this conversion may

not be visible or available to end users.

Just think of "b1" as a name, not part of a formula. Or, if you must

use these things in a formula, try 2^(b-1) or something.

-Doug Ewell

Fullerton, California

http://users.adelphia.net/~dewell/

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