Unicode: F74A. Alias: Esc gg Esc. Letter-like form. Not by default assigned any interpretation in StandardForm. Interpreted as EulerGamma in TraditionalForm. Not the same as ...

Unicode: 22A8. Infix operator. x ⊨ y is by default interpreted as DoubleRightTee[x,y]. x ⊨ y ⊨ z groups as x ⊨ (y ⊨ z). Used in mathematics to indicate various strong forms ...

Unicode: 2225. Alias: Esc ␣|| Esc. Infix operator. x ∥ y is by default interpreted as DoubleVerticalBar[x,y]. Used in mathematics to indicate that x exactly divides y. Used ...

Unicode: 25B3. Letter-like form. Used in geometry to indicate a triangle, as in the symbol △ABC. Not the same as \[CapitalDelta].

Unicode: F767. Uninterpretable element. Generated to indicate the position of a syntax error in messages produced by functions like Get and ToExpression. Shown as ^^^ in ...

Unicode: F769. Alias: Esc ␣esc Esc. Letter-like form. Representation of the Escape key on a keyboard. Used in describing how to type aliases for special characters in ...

Unicode: 03C2. Alias: Esc fs Esc. Greek letter. Used in written Greek when σ occurs at the end of a word. Not commonly used in technical notation. Not the same as \[Stigma].

Unicode: F74F. Alias: Esc jj Esc. Letter-like form with built-in value.  is interpreted by default as the symbol I, representing Sqrt[-1]. Used in electrical engineering.

Unicode: F765. Alias: Esc , Esc. Structural element with built-in meaning. \[InvisibleComma] is by default not visible on display, but is interpreted on input as an ordinary ...

Unicode: F603. Alias: Esc l| Esc. Matchfix operator.  x  is by default interpreted as BracketingBar[x]. Used in mathematics to indicate absolute value (Abs), determinant ...