6:14 PM
A new tag was created (by anas pcpro, then removed and added again. Yves Daoust created also a tag-except. There already is a tag which is a synonym of .
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Why is Euler's number $\mathtt 2.71828$ and not for example $\mathtt 3.7589$ ??? I know that e is the base of natural logarithms, I know about areas on hyperbola xy=1 and I know it's formula : $$e =\sum_{n=0}^\infty \frac{1}{n!}$$ And I also know it has many other characterizations. But, why is ...

The tag-excerpt says just: "Euler's number is another name for e, the base of the natural logarithms."
Most likely, this is the first time this tag was created: data.stackexchange.com/math/query/927958/… Nothing among deleted questions either: data.stackexchange.com/math/query/883845/…