008/5/19 Raymond Toy (RT/EUS) <raymond.toy at ericsson.com>:
> The whole hypergeometric function package (hgfred and specint) needs
> lots of work, but there hasn't been many (any?) users, so I've been
> doing stuff whenever I feel like it.
The function simplify_sum uses hgfred:
(%i2) sum(n/((2*n+1)*2^n),n,0,inf)$
(%i3) simplify_sum(%);
(%o3) -(sqrt(2)*atanh(1/sqrt(2))-2)/2
I think this was added in version 5.15.
--
Andrej