• cecilkorik@lemmy.ca
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    2 months ago

    Parenthesis, exponents, multiplication, division, addition, subtraction.

    should actually be

    Parenthesis, exponents, (multiplication and division), (addition and subtraction).

    Addition and subtraction are given the same priority, and are done in the same step, from left to right.

    It’s not a great system of notation, it could be made far clearer (and parenthesis allow you to make it as clear as you like), but it’s essentially the universal standard now and it’s what we’re stuck with.