Faster inverse gamma and factorial for the WP 34S

[BarryMead]

(02-06-2015 03:57 AM)Bit Wrote:  That approximation seems quite good (but I'm not an expert). What I've been trying to do is make the subsequent iterations converge faster.

I haven't tried your program or confirmed it's accuracy with wolfram alpha, but it seems like you have already improved upon the widely accepted and well established algorithms in math geek circles. Nice Job!