Comment on ))<>((

• strawberry@kbin.run ⁨2⁩ ⁨months⁩ ago

  what in the name of fuck is BODMAS

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  • TheOakTree@lemm.ee ⁨2⁩ ⁨months⁩ ago

    Same as PEMDAS, except: Parentheses -> Bracket Exponent -> Order Multiplication <-> Division

    BODMAS

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    • MystikIncarnate@lemmy.ca ⁨2⁩ ⁨months⁩ ago

      I learned it as “BEDMAS”

      Brackets

      Exponents

      (You can guess the rest)

      But when I learned BEDMAS, my teacher directed us to do implied multiplication before other multiplication/division. Which, as far as I’m aware, is mathematically correct according to the proper order of operations (instead of whatever acronym summary you learned).

      Before I get "umm. Acktually"d … I know that’s not the full picture of the order of operations as it should be in mathematics. But for the limited scope I learned of algebra from highschool, AFAIK, this is correct to the point that I have understanding of. I’m not a mathematician, and I work with computers all day long and they do the math for me when I need to do any of it. So higher understanding in my case is not helpful.

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      • SmartmanApps@programming.dev ⁨2⁩ ⁨months⁩ ago

        AFAIK, this is correct to the point that I have understanding of. I’m not a mathematician

        I’m a Maths teacher/tutor. The actual rules are Terms and The Distributive Law. There is no such thing as “implicit multiplication” (which is usually people lumping the 2 separate rules together as one and ending up with wrong answers).

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    • strawberry@kbin.run ⁨2⁩ ⁨months⁩ ago

      order? how does that make sense? brackets alright ig

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      • TheOakTree@lemm.ee ⁨2⁩ ⁨months⁩ ago

        Order is often used to describe exponents when talking about functions and other mathematical properties. In a lot of cases, it’s also equivalent to a degree. For example, a function y = x² - 9 is a second-order/degree function of x. Alternatively, the second-order derivative of f is f’', aka it has been derived twice.

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      • blackluster117@possumpat.io ⁨2⁩ ⁨months⁩ ago

        Order of magnitude? Thinking out loud.

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      • SmartmanApps@programming.dev ⁨2⁩ ⁨months⁩ ago

        order?

        It’s actually short for “to the order of”, as in 2 squared is 2 to the order of 2. i.e. same thing as Exponent or Index.

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• MotoAsh@lemmy.world ⁨2⁩ ⁨months⁩ ago

  I mean … yea. The exact problem is math is not taught correctly. Order of operations make total logical sense for what the operations are doing.

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  • SmartmanApps@programming.dev ⁨2⁩ ⁨months⁩ ago

    The exact problem is math is not taught correctly

    Every single Maths textbook I’ve seen teaches it correctly. The issue is people not remembering what they were taught (and then programming a calculator without checking it first). Calculators

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