Re: Demo: Modelling Cost of Travel Paths Between Towns

On Tue, 16 Nov 2004 18:53:08 +0100, "Ja Lar" <ingen_at_mail.her> wrote:

>
>"Marshall Spight" <mspight_at_dnai.com> skrev i en meddelelse
>news:7Dqmd.104475$R05.22082_at_attbi_s53...
>> "Ja Lar" <jalar_at_nomail.com> wrote in message
>> news:cn1qq6$ff9$1_at_news.net.uni-c.dk...
>>>
>>> > All days
>>> > (excluding special cases) have 23.99999999999999999999.... hours.
>>>
>>> Wrong. A normal day has 24 hours (and 86400 seconds - guess why!).
>>
>> Uh, 23.999... is exactly equal to 24. Note the "..." specifies the decimal
>> is repeating. Twenty three followed by an infinite number of nines
>> is the same number as twenty four.
>>
>I think you misquote the point. I'm quite sure that Neo ment to say that a
>day does not have 24 hours (duration), and concluded that there is no such
>time (point in time) as 24 (thus mixing duration and time). Why bother to
>write 24 as 23.99999.... if they where considered equal.
>Whether 23.99999... is in fact the same as 24 is another matter. Left as an
>exercise to the reader :-)

There is no if. There is no exercise for the reader, unless the reader is interested in *why* 23.9... = 24.0.

Lemming

-- 
Curiosity *may* have killed Schrodinger's cat.