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Ah, I wasn’t thinking of calculators that let you type in a full expression. When I was in school, only fancy graphing calculators had that feature. A typical scientific calculator didn’t have juxtaposition, so you’d have to enter 6÷2(1+2) as 6÷2×(1+2), and you’d get 9 as the answer because ÷ and × have equal precedence and just go left to right.

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SmartmanApps@programming.dev ⁨6⁩ ⁨months⁩ ago

A typical scientific calculator didn’t have juxtaposition, so you’d have to enter 6÷2(1+2) as 6÷2×(1+2)

That’s not true

you’d get 9 as the answer because ÷ and × have equal precedence and just go left to right

Well, more precisely you broke up the single term 2(1+2) into 2 terms - 2 and (1+2) - when you inserted the multiplication symbol, which sends the (1+2) from being in the denominator to being in the numerator. Terms are separated by operators and joined by grouping symbols.

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- lolcatnip@reddthat.com ⁨6⁩ ⁨months⁩ ago
  I’m not sure what you’re getting at with your source. I’m taking about physical, non-graphic scientific calculators from the 1990s.
  
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  - SmartmanApps@programming.dev ⁨6⁩ ⁨months⁩ ago
    
    I’m taking about physical, non-graphic scientific calculators from the 1990s.
    
    Yep, exact same as the calculator in the linked thread. The expression entered was 6/2(1+2).
    
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