this post was submitted on 18 Dec 2025
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The annoying prevalence of this meme suggests to me that an alarming number of people lack even a middle-school understanding of basic arithmetic.
Wait until you hear what the average reading level is.
It's not arithmetic at all, it's just about convention aka how to communicate math. The author didn't make themselves clear enough so people misunderstand what calculation they mean.
The order of operations is part of arithmetic. Although, the memes about it are certainly not good mathematics communication.
There's a useful distinction to be made. The order of operations is different between conventional written maths, calculators, reverse polish notation, python, etc. In contrast there is no disagreement over what the result of any individual binary operations is