NotebookBrowseDirectory (Built-in Mathematica Symbol)

NotebookBrowseDirectory is a global option that determines the current working directory.

ObservableModelQ (Built-in Mathematica Symbol)

ObservableModelQ[ss] gives True if the StateSpaceModel object ss is observable, and False otherwise.

ONanGroupON (Built-in Mathematica Symbol)

ONanGroupON[] represents the sporadic simple O'Nan group O' N.

OpenAppend (Built-in Mathematica Symbol)

OpenAppend["file"] opens a file to append output to it, and returns an OutputStream object.

OverVector (Built-in Mathematica Symbol)

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

PaletteNotebook (Built-in Mathematica Symbol)

PaletteNotebook[{cell_1, cell_2, ...}] represents a palette notebook that can be manipulated by the Mathematica front end.

PixelConstrained (Built-in Mathematica Symbol)

PixelConstrained is an option for ArrayPlot which specifies how to constrain cells to align with displayed pixels.

PolynomialRemainder (Built-in Mathematica Symbol)

PolynomialRemainder[p, q, x] gives the remainder from dividing p by q, treated as polynomials in x.

PopupWindow (Built-in Mathematica Symbol)

PopupWindow[expr, contents] displays as expr, but pops up a window containing contents when clicked.

Positive (Built-in Mathematica Symbol)

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