I've often wondered this myself. Is it just a convention? Is it because in a way, all the orders of operation are just "addition" ? addition is addition, subtraction is adding negative numbers, multiplying is addition, dividing is multiplying.(adsbygoogle = window.adsbygoogle || []).push({});

But then if this were true, it would only work depending on which number system you have right?

And if this was the convention, how did a middle eastern guy make this convention so widely known? Could somebody enlighten me on this question?

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# Why does bedmas/pedmas work?

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