FourierSequenceTransform[expr, n, \[Omega]] gives the Fourier sequence transform of expr.FourierSequenceTransform[expr, {n_1, n_2, ...}, {\[Omega]_1, \[Omega]_2, ...}] gives ...
LegendOrientation is an option for Legend, which specifies the direction in which key boxes are laid out.
ProbabilityDistribution[pdf, {x, x_min, x_max}] represents the continuous distribution with PDF pdf in the variable x where the pdf is taken to be zero for x < x_min and x > ...
Two decades of intense R&D at Wolfram Research have given Mathematica by far the world's broadest and deepest coverage of special functions—and greatly expanded the whole ...
MoebiusMu[n] gives the Möbius function \[Mu](n).
GammaDistribution[\[Alpha], \[Beta]] represents a gamma distribution with shape parameter \[Alpha] and scale parameter \[Beta].GammaDistribution[\[Alpha], \[Beta], \[Gamma], ...
WorkingPrecision is an option for various numerical operations that specifies how many digits of precision should be maintained in internal computations.
SinIntegral[z] gives the sine integral function Si(z).
ArithmeticGeometricMean[a, b] gives the arithmetic-geometric mean of a and b.
Floor
(Built-in Mathematica Symbol) Floor[x] gives the greatest integer less than or equal to x. Floor[x, a] gives the greatest multiple of a less than or equal to x.