Keyword : Psi

S14ACF	$ψ (x) - \ln x$
S14ADF	Scaled derivatives of $ψ (x)$
S14AEF	Polygamma function $ψ^{(n)} (x)$ for real $x$
S14AFF	Polygamma function $ψ^{(n)} (z)$ for complex $z$