Hacker News Reader

See also Plouffe's earlier (1995) formula to extract hexadecimal digits of pi: https://en.m.wikipedia.org/wiki/Bailey%E2%80%93Borwein%E2%80...

View on HN

...which Fabrice Bellard improved upon: https://en.m.wikipedia.org/wiki/Bellard%27s_formula

We should also have decimal/binary/hex digits of Tau to complete the set.

Decimal is the only tricky one. Given that tau=2pi, simple use f(n-1) in the original binary formula for pi, and I’m sure something just as trivial for hex.

Reply on news.ycombinator.com