On 2015-11-20, Vincent Davis <vinc...@vincentdavis.net> wrote:
> On Thu, Nov 19, 2015 at 9:27 PM, Paul Rubin <no.email@nospam.invalid> wrote:
>
>> You can't improve much. A decimal digit carries log(10,2)=3.32 bits
>> of information. A reasonable character set for Twitter-style links
>> might have 80 or so characters (upper/lower alphabetic, digits, and
>> a dozen or so punctuation characters), or log(80,2)=
>>
>
> ​Where do I find out more about the how to calculate information per
> digit?
There are 10 possible states for a decimal digit.
The number of digits required to represent N states in base M is
log(N,M).
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