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The sentence "A variable is a symbol" is blatantly wrong, and I added a reference to confirm this. Just to give one out of many possible examples, the distance from the Earth to the Sun is a variable. It was a variable before mankind existed, and started to denote this variable by symbols. Suppose a particular human decides to denote this quantity by rE, that doesn't suddenly create a new variable. The variable is still the same.---- Ehrenkater ( talk) 10:49, 5 October 2018 (UTC)
I found e and π in the list of variables. But they're not variables because they have known values (e ≈ 2.78, π ≈ 3.14). so, why are they here? 2600:8800:5112:7500:B09F:C337:A2AB:2DA0 ( talk) 03:48, 11 January 2022 (UTC)
This is the
talk page for discussing improvements to the
Variable (mathematics) article. This is not a forum for general discussion of the article's subject. |
Article policies
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Find sources: Google ( books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL |
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The sentence "A variable is a symbol" is blatantly wrong, and I added a reference to confirm this. Just to give one out of many possible examples, the distance from the Earth to the Sun is a variable. It was a variable before mankind existed, and started to denote this variable by symbols. Suppose a particular human decides to denote this quantity by rE, that doesn't suddenly create a new variable. The variable is still the same.---- Ehrenkater ( talk) 10:49, 5 October 2018 (UTC)
I found e and π in the list of variables. But they're not variables because they have known values (e ≈ 2.78, π ≈ 3.14). so, why are they here? 2600:8800:5112:7500:B09F:C337:A2AB:2DA0 ( talk) 03:48, 11 January 2022 (UTC)