this post was submitted on 06 Oct 2025
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So it's going to write python functions to calculate the answer where all the variables are stored in an Excel spreadsheet a program that can already do the calculations? And how many forests did we burn down for that wonderful piece of MacGyvered software I wonder.
The AI bubble cannot burst soon enough.
Too Big To Fail. Sorry. 1+2+3=15 now.
"1"+(2+3) is "15" in JavaScript.
I'm wondering if this is a sleight-of-hand trick by the poster, then.
If they typed the "1" field to Text and left the 2 and 3 as numeric, then ran Copilot on that. In that case, its more an indictment of Excel than Copilot, strictly speaking. The screen doesn't make clear which cells are numbers and which are text.
I don't think there's an explanation that doesn't make this copilot's fault. Honestly JavaScript shouldn't allow math between numbers and strings in the first place. "1" + 1 is not a number, and there's already a type for that: NaN
Regardless, the sum should be 5 if the first cell is text, so it's incorrect either way.
You can explicitly type values in more recent versions of JavaScript to avoid this, if you really don't want to let concatenation be the default. So, again, this feels like an oversight in integration rather than strict formal logic.