[math-fun] 3. Re: Another approximation of pi

Continued fraction of ln(pi^7) leads to an approximation of pi as e^87/76 = 3.1416, and C.F. ln(pi^19) gives e^41129/35929 = 3.14159264. Also iteration of a complex number near Seahorse Valley (Mandelbrot Set) can be used to approximate pi