Unicode: 2272. Alias: Esc <~ Esc. Infix ordering operator. x ≲ y is by default interpreted as LessTilde[x,y].
Unicode: 2014. Alias: Esc -- Esc. Letter-like form.
Unicode: 27F5. Alias: Esc <-- Esc. Infix arrow operator. x ⟵ y is by default interpreted as LongLeftArrow[x,y].
Unicode: 27F7. Alias: Esc <--> Esc. Infix arrow operator. x ⟷ y is by default interpreted as LongLeftRightArrow[x,y].
Unicode: 0142. Alias: Esc l/ Esc. Letter. Included in ISO Latin-2.
Unicode: F757. Alias: Esc math Esc. Letter-like form. Icon typically used for Mathematica. Based on a stellated icosahedron. This icon is a trademark of Wolfram Research.
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].
\[Nand]
(Mathematica Character Name) Unicode: 22BC. Alias: Esc nand Esc. Infix operator with built-in evaluation rules. x ⊼ y is by default interpreted as Nand[x,y].
Unicode: 2AA2. Infix ordering operator. x ⪢ y is by default interpreted as NestedGreaterGreater[x,y].
Unicode: F722. Alias: Esc :-| Esc. Letter-like form.