\[SquareSubset] (Mathematica Character Name)

Unicode: 228F. Infix set relation operator. x ⊏ y is by default interpreted as SquareSubset[x,y]. Used in computer science to indicate that x is a substring occurring at the ...

\[SquareSuperset] (Mathematica Character Name)

Unicode: 2290. Infix set relation operator. x ⊐ y is by default interpreted as SquareSuperset[x,y]. Used in computer science to indicate that x is a substring occurring at ...

\[SquareUnion] (Mathematica Character Name)

Unicode: 2294. Infix operator. x ⊔ y is by default interpreted as SquareUnion[x,y]. Used in mathematics to denote various forms of generalized union, typically of disjoint ...

\[Sterling] (Mathematica Character Name)

Unicode: 00A3. Letter-like form. Currency symbol for British pound sterling, as in £ 5. Used in mathematics to denote Lie derivative.

\[Thorn] (Mathematica Character Name)

Unicode: 00FE. Alias: Esc thn Esc. Letter. Included in ISO Latin-1. Used in Icelandic and Old English.

\[TildeFullEqual] (Mathematica Character Name)

Unicode: 2245. Alias: Esc ~== Esc. Infix similarity operator. x ≅ y is by default interpreted as TildeFullEqual[x,y]. Used in mathematics to indicate isomorphism, congruence ...

\[UDoubleAcute] (Mathematica Character Name)

Unicode: 0171. Alias: Esc u'' Esc. Letter. Included in ISO Latin-2. Used in Hungarian.

\[UnionPlus] (Mathematica Character Name)

Unicode: 228E. Infix operator. x ⊎ y is by default interpreted as UnionPlus[x,y]. Used to denote union of multisets, in which multiplicities of elements are added.

\[VerticalEllipsis] (Mathematica Character Name)

Unicode: 22EE. Letter-like form. Used to indicate omitted elements in columns of a matrix.

\[WarningSign] (Mathematica Character Name)

Unicode: F725. Letter-like form. Used in yellow to indicate messages and other warnings in the default style for Mathematica notebooks. Based on an international standard ...