The number pi has an evil twin(mathstodon.xyz)
553 points by pkaeding | 200 comments
A Mastodon thread by John Carlos Baez explaining the lemniscate constant ϖ, an analogue of pi tied to the lemniscate curve and its sl and cl functions.
#lemniscate-constant on Hacker News
1 story tagged lemniscate-constant, newest first.