ST Alpha - "STIS: order of operations. Is Multiplication before Division, or do you work both in equal priority from left to right? -- nm" (Reading a Post)

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STIS: order of operations. Is Multiplication before Division, or do you work both in equal priority from left to right? -- nm

Posted by Strongbad (aka Rambler14) May 22 '24, 08:55

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Responses:

Left to right -- PE(MD)(AS) -- nm - Will Hunting May 22, 09:03 7
- We learn BEDMAS, which shows the arbitrariness of the two like groups. -- nm - Reagen May 22, 09:07 4
  - The two arbitrary like groups being Canada and the USA in this example -- nm - Beryllium May 22, 09:11 3
    - Can we agree that the British tendency to say garbage like "Thousand million" is absurd? -- nm - Mop🧹 May 22, 09:38 2
      - Could be worse, we could still be talking about "milliards" -- nm - Reagen May 22, 09:54
      - Hundo P. -- nm - Beryllium May 22, 09:48
- Yes. That's how I was taught. -- nm - Strongbad May 22, 09:05
- That's just because PEDMSA doesn't roll off the tongue. -- nm - ty97 May 22, 09:04
I don't think it matters, does it? You'll get the same result? -- nm - ty97 May 22, 09:00 16
- It does. Imagine 2 / 3 * 5 - Reagen May 22, 09:06 9
  - Well, the first rule should be to use parenthesis and Oxford commas like your reputation depended on it. -- nm - Max May 22, 09:23 2
    - My suggestion in both cases is the same: rewrite for clarity - Reagen May 22, 09:26 1
      - precisely -- nm - ty97 May 22, 09:26
  - Fractions also show the importance of order of M and D. -- nm - Reagen May 22, 09:20
  - The answer to your equation is 3.33333 - ty97 May 22, 09:11 4
    - Sorry, I jumped the gun. Right but for the wrong reason -- (edited) - Reagen May 22, 09:12 3
      - See yourself after school, these is literally zero doubt that I'm right. -- nm - ty97 May 22, 09:15 2
        
        I conflated the above with your comment below about parentheses - Reagen May 22, 09:18 1
        
        *rings the Shame Bell* -- nm - David May 22, 09:53
- It does in this case. - Strongbad May 22, 09:04 5
  - That because yours isn't actually multiplication, it's a power/parentheses. -- (edited) - ty97 May 22, 09:09 3
    - Parentheses are implied multiplication. - Reagen May 22, 09:12
    - *paging Reagen* -- nm - Strongbad May 22, 09:10 1
      - M and D have equal rank, you just work them left to right. A and S have equal rank also. If you want to change the order, parentheses - ty97 May 22, 09:13
  - 9. -- nm - Reagen May 22, 09:06
Yes. Multiplication before division. PEMDAS. -- nm - Krusty May 22, 08:59
"Please excuse my dear Aunt Sally." - ReluctantCynic May 22, 08:59
Left to right. Division is just multiplication by less than whole numbers. 10/2 = 10 * .5 -- nm - Mop🧹 May 22, 08:59 1
- This is always how I have approached it. -- nm - Strongbad May 22, 09:05

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