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.
\[Nor]
(Mathematica Character Name) Unicode: 22BD. Alias: Esc nor Esc. Infix operator with built-in evaluation rules. x ⊽ y is by default interpreted as Nor[x,y].
Unicode: 2262. Alias: Esc !=== Esc. Infix similarity operator. x ≢ y is by default interpreted as NotCongruent[x,y].
Unicode: 226D. Infix similarity operator. x ≭ y is by default interpreted as NotCupCap[x,y].
Unicode: F400. Alias: Esc !=~ Esc. Infix similarity operator. x y is by default interpreted as NotEqualTilde[x,y].
Unicode: 2204. Alias: Esc !ex Esc. Compound operator. ∄_xy is by default interpreted as NotExists[x,y].