|Perl Monk, Perl Meditation|
Re: Re: Re: Re: Alpha base-26 to base-10...by BrowserUk (Pope)
|on Jul 01, 2003 at 01:06 UTC||Need Help??|
It definately isn't base 27, or you would need to use **27 not **26.
It is base-26 in the same way as feet are in inches base 12, or hours are in minutes base 60. The only unusual thing, in computer terms, is that it is a 1-based number system not a 0-based, but in the real world, most things are 1-based.
We measure the months 1 - 12 not 0 - 11, the metres in a kilometer, millimetres in a metre, grams in a kilo etc etc. as 1 - 1000 not 0 - 999
Update:To reenforce this point. If the system where base-27, then the cycle would repeat every 27 symbol. It doesn't it repeats every 26th. vis. It MUST be base-26.
If it makes people more comfortable to think of it as A representing 0 and Z representing 25, so be it, but for it to be base 27, you would require 27 symbols, but there only 26.
Examine what is said, not who speaks."Efficiency is intelligent laziness." -David Dunham
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