3 ms·
I think it's a joke. The arbitrarily accurate power series approximation of pi (4 - 4/3 + 4/5 - 4/7 + ⋯) predates NIST (and the US).
by jasomill 2y ago
I think it's a joke. The arbitrarily accurate power series approximation of pi (4 - 4/3 + 4/5 - 4/7 + ⋯) predates NIST (and the US).