cedric at ccjclearline.com
Tue Dec 4 11:53:06 EST 2012
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.
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?
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