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David Cortes, replying to PF's post, you wrote:
"So would you mind telling me why "precision" could not also be dependent on
factors external to the calculator?"

It could perhaps, but it doesn't detract from the point. Many people
schooled in engineering or measuring sciences, including navigation, feel
that it's important to distinguish between "precision" and "accuracy". Of
course, to people without that specialized education, these words sound
synonymous. There is a good introduction to the issue on Wikipedia here:
http://en.wikipedia.org/wiki/Accuracy . As with any of these articles,
that's certainly not the last word, nor the best account, but it's a good
place to begin.

And you wrote:
"And why you used a semi-colon rather than a colon after "Hey, John"?  Could
you, just for fun? "

Hmm. Would that be fun?? Rather sounds to me like it wouldn't be any fun at
all.

And:
"In good spirit, your answer must be in a form that is verbose, irrelevant,
or old hat.  Satisfying any one of those criteria will do, but if you fail
at that, then we'll send you back and impose on you the burden of all
three."

Just so there's no misunderstanding, it was John Karl who used those words
 --in a self-deprecating, joking fashion.

 -FER

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