KernelObject[n, name, ...] represents a kernel available for parallel computing.
LibraryFunctionInformation[fun] returns information about a LibraryFunction.
LibraryFunctionUnload[fun] unloads a LibraryFunction so that it cannot be used.
Limit
(Built-in Mathematica Symbol) Limit[expr, x -> x_0] finds the limiting value of expr when x approaches x_0.
LiouvilleLambda[n] gives the Liouville function \[Lambda](n).
MachineNumberQ[expr] returns True if expr is a machine-precision real or complex number, and returns False otherwise.
MangoldtLambda[n] gives the von Mangoldt function \[CapitalLambda](n).
MathieuGroupM12[] represents the sporadic simple Mathieu group M_12.
Missing
(Built-in Mathematica Symbol) Missing[] represents data that is missing.Missing["reason"] specifies a reason for the data being missing.Missing["reason", expr] associates the expression expr with the ...
MixtureDistribution[{w_1, ..., w_n}, {dist_1, ..., dist_n}] represents a mixture distribution whose CDF is given as a sum of the CDFs of the component distributions dist_i, ...