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From: Snidely <snidely.too@gmail.com>
Newsgroups: sci.lang,alt.usage.english
Subject: Re: OT: Converting miles/km
Date: Sun, 22 Sep 2024 01:52:33 -0700
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Remember when kami bragged outrageously?  That was Sunday:
> On Thu, 19 Sep 2024 23:12:52 -0000 (UTC), Christian Weisgerber
> wrote:
>
>> I'm sorry, I don't know where to post this.  I'm crossposting to
>> alt.usage.english, because statute miles as a unit mostly afflict
>> the English-speaking world.
>> 
>> So you want to convert between miles and kilometers.  The conversion
>> factor is... uh...  A 40-year-old calculator book provides a useful
>> tip:  Unless you're designing a space probe, you can use ln(5).
>> 
>> WHAT?
>> 
>> Yes, the natural logrithm of 5 approximates the conversion factor
>> between miles and kilometers; specifically one mile is about ln(5)
>> kilometers.  It's accurate to four digits.
>> 
>> If nothing else, it's faster to type on a calculator.
>> 
>> I think that's hysterical.
>
>
> simplest method is to multiply by 0.6

There's no humor in that.

-d

-- 
"I'm glad unicorns don't ever need upgrades."
"We are as up as it is possible to get graded!"
_Phoebe and Her Unicorn_, 2016.05.15