this post was submitted on 26 May 2024
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Science Memes

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(page 2) 17 comments
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[–] [email protected] 7 points 5 months ago (2 children)

Not related. I love your username

[–] [email protected] 8 points 5 months ago

Reject tradition, embrace crab

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[–] [email protected] 5 points 5 months ago

Such a great post lmao

[–] [email protected] 21 points 5 months ago* (last edited 5 months ago) (6 children)

Intentionally writing equations shittily is a special type of brain rot.

40 - (32 / 2) = ?

Ftfy.

[–] [email protected] 8 points 5 months ago

But then there's no joke/trick.

[–] [email protected] 2 points 5 months ago

fun fact, ? = sqrt(-|x| / 0) for all real x

[–] [email protected] 32 points 5 months ago

The cleverness is that it works either way

40-16=4!

8/2=4

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[–] [email protected] 156 points 5 months ago* (last edited 5 months ago) (5 children)

I hate how these things always come up because "order of operations!" It's mostly people who are bad at math remembering one topic they struggled with and finally got right, and now they know it's a touchy subject so it will drive engagement. It's the modern equivalent of "Mathematicians hate this one secret for solving equations! Click to find out!" Pure engagement bait.

But in all the engineering ive done, things never really come up like this. If there is any potential clarity issues, parentheses would be used, or it would be formatted in a way that makes it much more clear.

40 - (32/2), or 40 - ³²⁄₂ has no clarity issues imo. You don't even have to think about order of operations because 32 halves is a number on its own. it isn't an "operation" to do necessarily, it's a fraction to reduce.

And yes, I get the joke. The joke is making fun of the engagement bait of "some people will get the order of operations wrong!"

The joke(40 - 32)/2 = 4

If you stop here, you used the wrong order of operations. This is where the the fights normally start in the replies.

but the kid said "4!" not "4"

40 - (32/2) = 24 = 4 * 3 * 2 * 1 = 4!

[–] [email protected] 70 points 5 months ago (4 children)

s. If there is any potential clarity issues, parentheses would be used, or it would be formatted in a way that makes it much more clear.

It reminds me of a very old xkcd that posits "communicating badly and acting smug when you're misunderstood is not cleverness "

https://xkcd.com/169/

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[–] [email protected] 237 points 5 months ago (2 children)
 40-32/2
=40-16
=24
=4*3*2*1
=4!
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