this post was submitted on 05 Feb 2026
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Science Memes

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If I hear "% is a mathematical operator" one more time... (mander.xyz)
submitted 6 days ago* (last edited 6 days ago) by asow8@mander.xyz to c/science_memes@mander.xyz
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[–] definitemaybe@lemmy.ca 8 points 5 days ago* (last edited 5 days ago) (1 children)

I assume you're nerd baiting* with that, but it's infuriating how many math teachers actually teach that.

It's not that complicated. x² = n isn't the same thing as x = √2 because then square rooting isn't a function, which is asinine. (Similarly to why 0! isn't defined to be 0, because otherwise it's a stupid notation that would need a piecewise function definition for just about every single application of the factorial function.)

*link to xkcd: Duty Calls

Edit: my phone autocorrected "isn't" to "is", lol.

[–] Quibblekrust@thelemmy.club 1 points 5 days ago

x² = n isn't the same thing as x = √2

I guess that's what I was thinking. I don't think I can even blame my math teachers.