Unicode: 003A. Raw operator. Equivalent to the ordinary ASCII character with code 58.
Unicode: 002C. Raw operator. Equivalent to the ordinary ASCII character with code 44.
Unicode: 0024. Letter-like form. Equivalent to the ordinary ASCII character with code 36.
Unicode: 001B. Raw element. Equivalent to the non-printable ASCII character with code 27. Used in entering aliases for special characters in Mathematica.
Unicode: 0021. Raw operator. Equivalent to the ordinary ASCII character with code 33.
Unicode: 0025. Raw operator. Equivalent to the ordinary ASCII character with code 37.
Unicode: 002B. Raw operator. Equivalent to the ordinary ASCII character with code 43.
Unicode: 003F. Raw operator. Equivalent to the ordinary ASCII character with code 63.
Unicode: 003B. Raw operator. Equivalent to the ordinary ASCII character with code 59.
Unicode: 2240. Infix operator. x ≀ y is by default interpreted as VerticalTilde[x,y]. Used in mathematics to mean wreath product.