Unicode: 03DD. Aliases: Esc di Esc, Esc digamma Esc. Special Greek letter. Analogous to English w. Sometimes used to denote PolyGamma[x].
Unicode: F76E. Alias: Esc dlsep Esc. Spacing character. Used to invisibly denote a place where automatic line breaking should be allowed.
Unicode: F76F. Alias: Esc dpsep Esc. Spacing character. Used to invisibly denote a place where automatic line-breaking should be allowed, resulting in the appearance of a ...
Unicode: F3D0. Alias: Esc divides Esc. Infix operator with built-in evaluation rules. m∣n is by default interpreted as Divisible[n,m].
Unicode: 2250. Alias: Esc .= Esc. Infix similarity operator. x ≐ y is by default interpreted as DotEqual[x,y]. Used to mean approximately equal, or in some cases, 'image of', ...
Unicode: 0131. Letter. Used when an i will have an overscript on top. May or may not match the ordinary i from the text font.
Unicode: F700. Letter. Used when a j will have an overscript on top. May or may not match the ordinary j from the text font.
Unicode: 222F. Compound operator. ∯ f s is by default interpreted as ContourIntegral[f,s]. Used to indicate integrals over closed surfaces.
Unicode: F749. Alias: Esc pp Esc. Letter-like form. Not by default assigned any interpretation. Not the same as \[Pi].
Unicode: 21D0. Alias: Esc ␣<= Esc. Infix arrow operator. x ⇐ y is by default interpreted as DoubleLeftArrow[x,y]. Extensible character. Esc <= Esc is the alias for ...