\[LessLess] (Mathematica Character Name)

Unicode: 226A. Infix ordering operator. x ≪ y is by default interpreted as LessLess[x,y]. Not the same as \[LeftGuillemet].

\[LessTilde] (Mathematica Character Name)

Unicode: 2272. Alias: Esc <~ Esc. Infix ordering operator. x ≲ y is by default interpreted as LessTilde[x,y].

\[LongDash] (Mathematica Character Name)

Unicode: 2014. Alias: Esc -- Esc. Letter-like form.

\[LongLeftArrow] (Mathematica Character Name)

Unicode: 27F5. Alias: Esc <-- Esc. Infix arrow operator. x ⟵ y is by default interpreted as LongLeftArrow[x,y].

\[LongLeftRightArrow] (Mathematica Character Name)

Unicode: 27F7. Alias: Esc <--> Esc. Infix arrow operator. x ⟷ y is by default interpreted as LongLeftRightArrow[x,y].

\[LowerLeftArrow] (Mathematica Character Name)

Unicode: 2199. Infix arrow operator. x ↙ y is by default interpreted as LowerLeftArrow[x,y]. Extensible character; grows by default to limited size.

\[LowerRightArrow] (Mathematica Character Name)

Unicode: 2198. Infix arrow operator. x ↘ y is by default interpreted as LowerRightArrow[x,y]. Extensible character; grows by default to limited size.

\[LSlash] (Mathematica Character Name)

Unicode: 0142. Alias: Esc l/ Esc. Letter. Included in ISO Latin-2.

\[MeasuredAngle] (Mathematica Character Name)

Unicode: 2221. Letter-like form. Used in geometry to indicate an angle, as in the symbol ∡ ABC.

\[MinusPlus] (Mathematica Character Name)

Unicode: 2213. Alias: Esc -+ Esc. Prefix or infix operator. ∓ x is by default interpreted as MinusPlus[x]. x ∓ y is by default interpreted as MinusPlus[x,y].