Subject:
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Re: Soliciting comments (and help) with online form
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Newsgroups:
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lugnet.publish
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Date:
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Mon, 14 Dec 1998 17:52:30 GMT
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Reply-To:
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CJC@NEWSGUY.COMspamcake
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Viewed:
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1961 times
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Larry Pieniazek <lpien@ctp.IWANTNOSPAM.com> wrote:
> This is a known problem in some languages. Since decimal fractions are
> repeating binimals when represented in binary (that is .3 is not a
> closed form sum of any combination of powers of two) sometimes roundoff
> error creeps in. That is, .35 is not really .35, it is .1010101110 (or
> whatever) binary, and if the language does not take it into account, you
> get round off error.
*sigh*
I can just hear my trig teacher laughing at me now since I must have
told her a million times, "but Ms. Smith, who cares about math? I'm
going to major in Latin and teach high school - I'll never need to do
anything with numbers besides average grades and balance my checkbook,
and I have a computer for that."
Anyone know a good Javascript book? I'm heading over to bookpool.com
to see if I can find a good beginner (but not dummy) book - maybe
figure out how to actually create some of these simple things instead
of the sort of hit and miss canabalizing I'm doing now. :)
--
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www.lugnet.com/news/ - Meet more LEGO fans in your area through LUGNET
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Message has 1 Reply:
 | | Re: Soliciting comments (and help) with online form
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| (...) try O'Reilly's Javascript, the definitive guide (mine has a rhino on the cover but there is probably a newer version now). A good book but the thing it really taught me is that there are too many differences between browsers to do useful (...) (28 years ago, 15-Dec-98, to lugnet.publish)
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Message is in Reply To:
| | Re: Soliciting comments (and help) with online form
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| (...) Roundoff error? Do your math in pennies and divide by 100 at the last minute. This is a known problem in some languages. Since decimal fractions are repeating binimals when represented in binary (that is .3 is not a closed form sum of any (...) (28 years ago, 14-Dec-98, to lugnet.publish)
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