I disagree with the person you are responding too (I don’t think it’s impolite to use F), but to be fair C to F is “double and add 32” (technically 9/5+32), which is very easy to compute, while the reverse is -32 and then /2, which is generally harder (I think most people find subtractions harder).
I disagree with the person you are responding too (I don’t think it’s impolite to use F), but to be fair C to F is “double and add 32” (technically 9/5+32), which is very easy to compute, while the reverse is -32 and then /2, which is generally harder (I think most people find subtractions harder).
I know the formula but rather than calculate 9/5 or 5/9 I just do a quick search, for example “-20f to c” and have the answer in three seconds.