InverseJacobiNC[v, m] gives the inverse Jacobi elliptic function nc -1 (v \[VerticalSeparator] m).
InverseJacobiNS[v, m] gives the inverse Jacobi elliptic function ns -1 (v \[VerticalSeparator] m).
KelvinBei[z] gives the Kelvin function bei(z).KelvinBei[n, z] gives the Kelvin function bei_n (z).
KelvinBer[z] gives the Kelvin function ber(z).KelvinBer[n, z] gives the Kelvin function ber_n (z).
LogisticDistribution[\[Mu], \[Beta]] represents a logistic distribution with mean \[Mu] and scale parameter \[Beta].
Log
(Built-in Mathematica Symbol) Log[z] gives the natural logarithm of z (logarithm to base e). Log[b, z] gives the logarithm to base b.
ManhattanDistance[u, v] gives the Manhattan or "city block" distance between vectors u and v.
MathieuS[a, q, z] gives the odd Mathieu function with characteristic value a and parameter q.
MaxIterations is an option that specifies the maximum number of iterations that should be tried in various built-in functions and algorithms.
MeshShading is an option for plotting functions that gives lists of colors to use for regions between mesh divisions.