PageWidth is an option for output streams and for cells which specifies how wide each line of text should be allowed to be.
PauliMatrix[k] gives the k\[Null]^th Pauli spin matrix \[Sigma]_k.
Point
(Built-in Mathematica Symbol) Point[coords] is a graphics primitive that represents a point. Point[{coords_1, coords_2, ...}] represents a collection of points.
PolyGamma[z] gives the digamma function \[Psi](z). PolyGamma[n, z] gives the n\[Null]^th derivative of the digamma function \[Psi] (n) (z).
PrimitiveRoot[n] gives the smallest primitive root of n.
PrintAction is an option for notebooks that specifies the action taken when a Print[] command is evaluated by the kernel.
PrintingStartingPageNumber is an option for notebooks that specifies what number to assign to the first page of a notebook when printed.
RogersTanimotoDissimilarity[u, v] gives the Rogers\[Dash]Tanimoto dissimilarity between Boolean vectors u and v.
RootApproximant[x] converts the number x to one of the "simplest" algebraic numbers that approximates it well.RootApproximant[x, n] finds an algebraic number of degree at ...
RotateRight[expr, n] cycles the elements in expr n positions to the right. RotateRight[expr] cycles one position to the right. RotateRight[expr, {n_1, n_2, ...}] cycles ...