How did we discover PEMDAS? If math is just representative of real things, why does it matter the order? I know that going out of order yields the wrong answer, but why does going through PEMDAS yield the right one?
In: Mathematics
The order is arbitrary and is no more objectively correct than any other.
However it is crucial that we all agree on the same order to use, otherwise two people doing the same equation will get different results. PEMDAS is just the one that stuck.
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