Negative (Built-in Mathematica Symbol)

Negative[x] gives True if x is a negative number.

NonNegative (Built-in Mathematica Symbol)

NonNegative[x] gives True if x is a non-negative number.

NonPositive (Built-in Mathematica Symbol)

NonPositive[x] gives True if x is a non-positive number.

Positive (Built-in Mathematica Symbol)

Positive[x] gives True if x is a positive number.

PrintPrecision (Built-in Mathematica Symbol)

PrintPrecision is an option for selections that specifies the maximum number of digits used for displaying a machine-precision number.

RamanujanTauL (Built-in Mathematica Symbol)

RamanujanTauL[s] gives the Ramanujan tau Dirichlet L-function L(s).

SameTest (Built-in Mathematica Symbol)

SameTest is an option whose setting gives a pairwise comparison function to determine whether expressions should be considered the same.

Setting (Built-in Mathematica Symbol)

Setting[expr] replaces control objects such as sliders or popup menus in expr by their settings.

Sinc (Built-in Mathematica Symbol)

Sinc[z] gives sinc(z).

SphericalHarmonicY (Built-in Mathematica Symbol)

SphericalHarmonicY[l, m, \[Theta], \[Phi]] gives the spherical harmonic Y_l^m(\[Theta], \[Phi]).