[KwartzLab] Hexadecimal

[Jonathan Lamothe]

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Fun fact: early typewriters didn't have a 0 or a 1.  You had to use a
capital o or a lower case L.

On 12-12-04 11:56 AM, Ed Blanchard wrote:
> Don't even get me started on 1 and l .... (one and ell).
> 
> EdB
> 
> On 12/4/2012 11:53 AM, Cedric Puddy wrote:
>> A "slashed" 0 is for when clarity between "0" and "O" (zero and 
>> capital letter "o") matters greatly.
>> 
>> Traditional console/terminal fonts take pains to distinguish the 
>> two, since, on a computer, one cannot be certain that there will 
>> be context to distinguish the two.  In "normal" communication, 
>> it's rarely a problem, because we usually have context to refer 
>> to.  A special circle of hell is reserved for companies that 
>> generate license keys that have both characters, and are printed 
>> in a font wherein both characters are nearly identical… :)
>> 
>> It's not just an IBM thing -- I say it was a "pretty much 
>> everybody" thing, until we started letting non-computer people 
>> use computers, instead of just admire them from a distance.
>> 
>> -Cedric
>> 
>> On 2012-12-04, at 12:00 AM, Michael Dunn wrote:
>> 
>>> At 11:35 PM -0500 12/3/12, Karl Williams wrote:
>>>> My favorite hex number is C0FFEE.
>>> 
>>> Do you remember the "COFFEE" talking machine at the Science 
>>> Centre? :-)
>>> 
>>> 
>>>> Sometime when I'm bored I'll pick any base, other than ten, 
>>>> and do mind calculations. Base-12 (Duodecimal) is fun.
>>> 
>>> 6x9=42 (base 13)
>>> 
>>> Why does one of my calcs have "Pental"!??!!!??? (base 5)
>>> 
>>> 
>>>>> Doc's offhand comment about IBM and hexadecimal notation 
>>>>> piqued my curiosity.
>>> 
>>> Why does IBM use "slashed" 0 for O?
>>> 
>>> 
>>> md
>>> 
>>> 
>>> 
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>> 
>> |  CCj/ClearLine - Unix/NT Administration and TCP/IP Network 
>> Services |  118 Louisa Street, Kitchener, Ontario, N2H 5M3, 
>> 519-489-0478 
>> \________________________________________________________ Cedric 
>> Puddy, IS Director            cedric at thinkers.org PGP Key 
>> Available at:              http://www.thinkers.org/cedric
>> 
>> 
>> 
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> 
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- -- 
Regards,
Jonathan Lamothe

PGP public key: http://www.jlamothe.net/keys/jonathan.asc
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