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.

OverDot (Built-in Mathematica Symbol)

OverDot[expr] displays with a dot over expr.

OverHat (Built-in Mathematica Symbol)

OverHat[expr] displays with a hat over expr.

OverTilde (Built-in Mathematica Symbol)

OverTilde[expr] displays with a tilde over expr.

OverVector (Built-in Mathematica Symbol)

OverVector[expr] displays with a right vector over expr.

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.

SelectionMove (Built-in Mathematica Symbol)

SelectionMove[obj, dir, unit] moves the current selection in an open notebook in the front end in the direction dir by the specified unit. SelectionMove[obj, dir, unit, n] ...