We put people on the moon with PEMDAS. We created artificial intelligence with PEMDAS. It’s more important that anyone seems to understand.
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Replying to @DaveBarber78 @burnowt and
“We go to the moon not because it is easy but because we have been drilled in PEMDAS! We will do this and all the other things like 8 ÷ 2(2+2) = ?”
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Replying to @kchangnyt @burnowt and
Never said it was a pretty math problem, or that any professional should ever write an expression like that. Just that there is still only one solution, when written in one line like it is. No matter how confused people are about it.
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Replying to @DaveBarber78 @burnowt and
If it’s pointless and useless, the answer to a “gotcha” question does not matter. You have your own blind assumptions, namely that all that matters is how it translates into a single line of computer code.
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Replying to @kchangnyt @DaveBarber78 and
You know, is it customary now in
@nytscience to open an article talking about common ignorance and misconceptions, and besides NOT informing or clarifying what those are, to actively insult people for their interest? Mr. Chang has tweeted and snarked a lot and said nothing.1 reply 0 retweets 0 likes -
Replying to @burnowt @kchangnyt and
Because there are tons of conventions I follow for written language whether it's spelling, grammar, or math, that I totally admit I know nothing about WHY they are that way. Mr. Chang has repeatedly derided us for not knowing WHY and not done anything to explain WHY.
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Replying to @burnowt @kchangnyt and
For gods' sake man, what the fuck is the job of science reporter?
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Replying to @burnowt @DaveBarber78 and
I try to tell people when something is dumb and meaningless, which in this case, it is. Literally every mathematician I've talked to has said some variation of that.
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Replying to @kchangnyt @DaveBarber78 and
It's not like it was "important" that we knew if the dress was blue/white or heard laurel/yanny! Those were both also images/sounds either poorly produced or intentionally mangled for virality. But in the controversy interesting things were learned.
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Replying to @burnowt @kchangnyt and
In the same way that it doesn't ultimately matter if the answer was 16 or 1. But that people are arriving at different answers is just really, really strange to me. Is it ignorance? Or were there different standards at different times or in different regions or trades?
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One more time. People are reading 8 ÷ 2(2+2) as either 8 --(2+2) 2 or 8 -- 2(2+2) The first — strictly following PEMDAS — gives 16. The second gives 1. That's it. Steven Strogatz explained it in detail why 16 is not an unreasonable answer: https://www.nytimes.com/2019/08/05/science/math-equation-pemdas-bodmas.html?searchResultPosition=1 …
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