JacobiSymbol[n, m] gives the Jacobi symbol (n/m).
Kernels
(Built-in Mathematica Symbol) Kernels[] gives the list of running kernels available for parallel computing.
LabelingFunction is an option for charting functions that specifies a function to apply to determine labeling of chart elements.
LinearFractionalTransform[m] gives a TransformationFunction that represents a linear fractional transformation defined by the homogeneous matrix m. ...
ListCurvePathPlot[{{x_1, y_1}, {x_2, y_2}, ...}] plots a curve that corresponds to a smooth path through the specified points.
ListPlay[{a_1, a_2, ...}] creates an object that plays as a sound whose amplitude is given by the sequence of levels a_i.
LoopFreeGraphQ[g] yields True if the graph g has no self-loops, and False otherwise.
LowerCaseQ[string] yields True if all the characters in the string are lowercase letters, and yields False otherwise.
LowerTriangularize[m] gives a matrix in which all but the lower triangular elements of m are replaced with zeros. LowerTriangularize[m, k] replaces with zeros only the ...
MachinePrecision is a symbol used to indicate machine-number precision.