\[Piecewise] (Mathematica Character Name)

Unicode: F361. Alias: Esc pw Esc. Prefix operator with built-in evaluation rules. Grid[{{e_1, c_1}, {e_2, c_2}}] is by default interpreted as ...

\[Pi] (Mathematica Character Name)

Unicode: 03C0. Aliases: Esc p Esc, Esc pi Esc. Greek letter with built-in value. Interpreted by default as the symbol Pi.

\[PlusMinus] (Mathematica Character Name)

Unicode: 00B1. Alias: Esc +- Esc. Prefix or infix operator. ± x is by default interpreted as PlusMinus[x]. x ± y is by default interpreted as PlusMinus[x,y].

\[PrecedesEqual] (Mathematica Character Name)

Unicode: 2AAF. Infix ordering operator. x ⪯ y is by default interpreted as PrecedesEqual[x,y].

\[Precedes] (Mathematica Character Name)

Unicode: 227A. Infix ordering operator. x ≺ y is by default interpreted as Precedes[x,y]. Used in mathematics to indicate various notions of partial ordering. Often applied ...

\[PrecedesSlantEqual] (Mathematica Character Name)

Unicode: 227C. Infix ordering operator. x ≼ y is by default interpreted as PrecedesSlantEqual[x,y].

\[PrecedesTilde] (Mathematica Character Name)

Unicode: 227E. Infix ordering operator. x ≾ y is by default interpreted as PrecedesTilde[x,y].

\[Prime] (Mathematica Character Name)

Unicode: 2032. Alias: Esc ' Esc. Letter-like form. Used to indicate angles in minutes or distances in feet. Used in an overscript position as an acute accent.

\[Proportional] (Mathematica Character Name)

Unicode: 221D. Alias: Esc prop Esc. Infix relational operator. x ∝ y is by default interpreted as Proportional[x,y]. Not the same as \[Alpha].

\[Proportion] (Mathematica Character Name)

Unicode: 2237. Infix relational operator. x ∷ y is by default interpreted as Proportion[x,y]. Used historically to indicate equality; now used to indicate proportion.