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[–] 21 points 2 years ago (2 children)

You give multiple references and say remember these and then do some estimations. Just subtract 30, divide by 2. 80F is approximately 25C. I'm not cooking meth here I'm arguing on the Internet.

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  • [–] 5 points 2 years ago (2 children)

    Fine but I'm offering a simplified and exact conversion method that mostly only requires memorizing four numbers

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