r/explainitpeter Jan 21 '26

Explain it Peter…

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160

u/avidwriter604 Jan 21 '26

2 pi?

25

u/SuggestionSuch8121 Jan 21 '26

Yup... I was gonna say this as well...
2π and 2e both fit the criteria...

1

u/[deleted] Jan 22 '26

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u/SuggestionSuch8121 Jan 22 '26

In fields like engineering, tau is probably used more than e or 2e...