InverseGudermannian[z] gives the inverse Gudermannian function gd -1 (z).
KroneckerSymbol[n, m] gives the Kronecker symbol (n/m).
LiouvilleLambda[n] gives the Liouville function \[Lambda](n).
MangoldtLambda[n] gives the von Mangoldt function \[CapitalLambda](n).
NotebookRead[notebook] gives the expression corresponding to the current selection in the specified notebook object.
PopupMenu[x, {val_1, val_2, ...}] represents a popup menu with setting x and possible values val_i. PopupMenu[Dynamic[x], {val_1, ...}] takes the setting to be the ...
PrimeNu
(Built-in Mathematica Symbol) PrimeNu[n] gives the number of distinct primes \[Nu](n) in n.
PrimeOmega[n] gives the number of prime factors counting multiplicities \[CapitalOmega](n) in n.
PrimeZetaP[s] gives prime zeta function P(s).
RankedMax[list, n] gives the n\[Null]^th largest element in list.