RiceDistribution[\[Alpha], \[Beta]] represents a Rice distribution with shape parameters \[Alpha] and \[Beta].RiceDistribution[m, \[Alpha], \[Beta]] represents a ...
RiemannSiegelTheta[t] gives the Riemann\[Dash]Siegel function \[CurlyTheta](t).
RiemannSiegelZ[t] gives the Riemann\[Dash]Siegel function Z(t).
SetAccuracy[expr, a] yields a version of expr in which all numbers have been set to have accuracy a.
SixJSymbol[{j_1, j_2, j_3}, {j_4, j_5, j_6}] gives the values of the Racah 6-j symbol.
SpheroidalPS[n, m, \[Gamma], z] gives the angular spheroidal function PS n, m (\[Gamma], z) of the first kind.
Split
(Built-in Mathematica Symbol) Split[list] splits list into sublists consisting of runs of identical elements. Split[list, test] treats pairs of adjacent elements as identical whenever applying the ...
f /: lhs := rhs assigns rhs to be the delayed value of lhs, and associates the assignment with the symbol f.
TransferFunctionZeros[tf] gives a matrix of roots of the numerators in the TransferFunctionModel object tf.
VectorAngle[u, v] gives the angle between the vectors u and v.