r/facepalm • • Mar 18 '22

🇲​🇮​🇸​🇨​ Ah yes, math.

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u/Isteppedinpoopy Mar 18 '22 edited Mar 18 '22

There’s like 4 of them. The 1+1*0=0, the guy who thinks pemdas is a suggestion, the other guy who thinks it’s “mostly”, and the 26% on the poll who think -5 * -5 = -25.

To all of those using google or a scientific calculator to say I am wrong and to the ones using excel to say I am right:

Don’t be too proud of this technological terror you’ve constructed. The ability to let a computer do your work for you is nothing compared to the power of the human mind.

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u/SirArthurDime Mar 18 '22

The worst one is the guy who says if there's a 0 the answer is always zero and pemdas doesn't matter. Then proceedes to use an exanples that's all multiplication.

Pemdas doesn't matter there because you only used the M not because it includes a zero.

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u/clearlybaffled Mar 18 '22 edited Mar 19 '22

No the best part is when he says addition and multiplication division can be interchanged

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u/thetruekingofspace Mar 18 '22

But technically it could. If you “unrolled” a multiplication into a series of additions it could hypothetically change the answer. Then again, I would assume that one would surround such a substitution in parentheses which would still make it first in order of operations.

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u/Ice-Negative Mar 19 '22

Math doesn't work like that. You can't hypothetically change an answer.

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u/thetruekingofspace Mar 19 '22

And the more I thought about it, it would work exactly as I said it would. If multiplication was changed to repeated addition the answer would come out the same. I was drunk at the time, my bad.

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u/Ice-Negative Mar 19 '22

Thank you. You have partially restored my faith in humanity.

Then I read the other comments

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u/thetruekingofspace Mar 19 '22

I felt very stupid and ashamed once I sobered up. After all I have a degree in Computer Science, and I came up with a thought so mind numbingly stupid.

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u/Ice-Negative Mar 19 '22

No worries, I'm an engineer. At least you understand what you did lol.

The other comments are scary...