Happy Pi Day!

[Gerson W. Barbosa]

(03-15-2017 11:33 PM)Joe Horn Wrote:  

(03-14-2017 05:07 PM)Gerson W. Barbosa Wrote:  PiM and PiMlf, its equivalent LongFloat version, compute π using Machin's formula:

\[\pi = 16\cdot \arctan \frac{1}{5}+4\cdot \arctan \frac{1}{239}\]

I think that "+" should be a "-".

Fixed. Thanks!