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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: The joy of FORTRAN
Date: Fri, 28 Feb 2025 21:52:24 -0000 (UTC)
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On Fri, 28 Feb 2025 13:20:17 -0800, John Ames wrote:

> On Fri, 28 Feb 2025 20:54:32 -0000 (UTC)
> Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> 
>> On Fri, 28 Feb 2025 19:56:27 +0100, Andreas Eder wrote:
>> 
>> > It is 4KW. 4096 = 1024 * 4 = 4 * 2^10.
>> 
>> That’s 4kiW. Kibiwords, not kilowords.
> 
> If you care enough to bother differentiating, sure.

The whole issue was downright sloppy. And it got worse as the amounts of 
storage involved got larger. For k versus ki, the difference is about 2½%; 
for M versus Mi, it doubles to about 5%; for G versus Gi, it’s close to 
7½%, and so on.

You don’t see the difference as important? It actually led to lawsuits 
against hard drive manufacturers over what were the actual capacities of 
the drives they were selling, versus what was advertised. Still think it 
wasn’t important?

This is why SI introduced the binary prefixes, to differentiate the two.