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
Going out of order gives the wrong answer according to the convention we all follow. There’s nothing special in multiplication or addition etc. The convention was made to set a common set of rules through which it becomes easier to interpret complex expressions uniformly throughout the world.
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