Small Solver Program

[Thomas Klemm]

(02-15-2019 09:16 PM)Albert Chan Wrote:  Amazingly, my rate formula is same as Aitken extrapolation formula !

That's not really a surprise, is it?
It's essentially the same idea: geometric series

\(1\,+\,r\,+\,r^{2}\,+\,r^{3}\,+\,\cdots \;=\;{\frac {1}{1-r}}\)