maxima-bounces at math.utexas.edu wrote on 05/03/2007 12:52:00 PM: > Poch also needs to be added to makefact, so that minfactorial can be > used to simplify it. It's a sad way to go, but: (%i25) load(orthopoly)$ (%i26) pochhammer(x,n) / pochhammer(x,2+n)$ (%i27) minfactorial(makefact(makegamma(%))); (%o27) 1/((x+n)*(x+n+1)) Barton