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near zero (mander.xyz)
submitted 2 weeks ago by [email protected] to c/[email protected]
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[-] [email protected] 3 points 2 weeks ago

What algebra uses negative 0?

[-] [email protected] 7 points 2 weeks ago

IEEE 754

I mean it's an algebra, isn't it? And it definitely was mathematicians who came up with the thing. In the same way that artists didn't come up with the CGI colour palette.

[-] [email protected] 1 points 2 weeks ago

I'm not familiar with IEEE 754.

[-] [email protected] 5 points 2 weeks ago* (last edited 2 weeks ago)

It's a wonderful world where 1 / 0 is ∞ and 1 / -0 is -∞, making a lot of high school teachers very very mad. OTOH it's also a very strange world where x = y does not imply 1 / x = 1 / y. But it is, very emphatically, an algebra.

Mostly it's pure numerology, at least from the POV of most of the people using it.

[-] [email protected] 2 points 2 weeks ago

I'll need to look at it more; it sounds interesting.

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this post was submitted on 18 May 2024
715 points (98.0% liked)

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