• Ok, then explain prefix and postfix, where these conventions don’t apply

    The conventions don’t apply, the rules still apply. Maths notation and the rules of Maths aren’t the same thing.

    How can these be rules of math when they didn’t universally apply?

    The rules do universally apply 🙄

    The order of operations tells us how to interpret an equation without rearranging it

    Yep, and you showed you don’t know the rules 🙄

    When you pick a different convention, you need to rearrange it to get the same answer

    Not necessarily, though it makes it easier (but also leads a lot of people to make mistakes with signs, as you found out 😂 )

    What you did was rearrange the equation

    To show you how to correctly do “Multiplication first”. 🙄

    which you can only do if you are already following a specific convention

    Which you didn’t, hence why you ended up with a wrong answer. 🙄 There is no textbook which says put the multiplication in Brackets if doing “Multiplication first”, none.

    because the conventions are not laws of mathematics, they are conventions

    And putting the Multiplication inside Brackets isn’t a convention anywhere 🙄

    They obey the laws of math. Conventions aren’t laws of math, they’re conventions

    Yep, and you ignored both, hence your wrong answer 🙄

    And a quick Google search will tell you that not everyone puts juxtaposition at a higher precedent than multiplication

    And a quick look in the Google support forum will show you many people telling them that is wrong, and Google just closes the incident 🙄

    it’s a convention

    No it isn’t. It’s against the rules. 🙄 Again, you won’t find this alleged “convention” in any Maths textbook

    As long as people are using the same convention, they’ll agree on an answer and that answer is correct

    Unless they disobeyed the rules, in which case they are all wrong 🙄

    You can be mean all you like, that doesn’t change the nature of conventions

    And you can be as ignorant of the rules and conventions of Maths as much as you want, and it’s not going to change that your answer is wrong 🙄

    • PeriodicallyPedantic@lemmy.ca
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      2 days ago

      Yeah, you clearly don’t even know what a convention is, and what are math conventions and math “rules” as you put it.

      You’re wrong, and even a 2 minute Google search would show you that and explain why. I’m done being Google for you when you’re not willing to Google it yourself.

      • Yeah, you clearly don’t even know what a convention is, and what are math conventions and math “rules” as you put it

        Says person who actually doesn’t know the difference, as per Maths textbooks

        You’re wrong

        oh no! you better start contacting all the textbook publishers and tell them that all Maths textbooks are wrong 😂

        even a 2 minute Google search would show you that and explain why

        Even a 2 minute Google search will bring up Maths textbooks which prove that Google is wrong 🙄

        I’m done being Google for you

        Maths teachers don’t use Google - that’s what Maths textbooks are for

        when you’re not willing to Google it yourself

        says person who was unwilling to use Google to find Maths textbooks 🙄

        • PeriodicallyPedantic@lemmy.ca
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          6 hours ago

          Wikipedia

          In mathematics and computer programming, the order of operations is a collection of conventions about which arithmetic operations to perform first in order to evaluate a given mathematical expression

          What’s that? You don’t trust Wikipedia?
          Ok, you’ve yet to explain why notations like prefix and postfix dont need these “rules”.
          If they were rules of mathematics **itself** how could they only apply to certain notations?