KDistribution[\[Nu], w] represents a K distribution with shape parameters \[Nu] and w.
ListAnimate[{expr_1, expr_2, ...}] generates an animation whose frames are the successive expr_i. ListAnimate[list, fps] displays fps frames per second.
LogicalExpand[expr] expands out logical combinations of equations, inequalities, and other functions.
Magnification is an option for Style and Cell that specifies what magnification to use for display.
MatchingDissimilarity[u, v] gives the matching dissimilarity between Boolean vectors u and v.
MathieuCPrime[a, q, z] gives the derivative with respect to z of the even Mathieu function with characteristic value a and parameter q.
MathieuSPrime[a, q, z] gives the derivative with respect to z of the odd Mathieu function with characteristic value a and parameter q.
MatrixForm[list] prints with the elements of list arranged in a regular array.
MoebiusMu[n] gives the Möbius function \[Mu](n).
a ** b ** c is a general associative, but non-commutative, form of multiplication.