\[InvisibleComma] (Mathematica Character Name)

Unicode: F765. Alias: Esc , Esc. Structural element with built-in meaning. \[InvisibleComma] is by default not visible on display, but is interpreted on input as an ordinary ...

\[InvisiblePostfixScriptBase] (Mathematica Character Name)

Unicode: F3B4. Alias: Esc -i Esc.

\[InvisiblePrefixScriptBase] (Mathematica Character Name)

Unicode: F3B3. Alias: Esc i- Esc.

\[InvisibleSpace] (Mathematica Character Name)

Unicode: F360. Alias: Esc is Esc. Spacing character. \[InvisibleSpace] is by default not visible on display, but is interpreted on input as an ordinary space. ...

\[InvisibleTimes] (Mathematica Character Name)

Unicode: 2062.

\[Iota] (Mathematica Character Name)

Unicode: 03B9. Aliases: Esc i Esc, Esc iota Esc. Greek letter. Not commonly used. Used in set theory to indicate an explicitly constructible set.

\[Jupiter] (Mathematica Character Name)

Unicode: 2643.

\[Kappa] (Mathematica Character Name)

Unicode: 03BA. Aliases: Esc k Esc, Esc kappa Esc. Greek letter.

\[KernelIcon] (Mathematica Character Name)

Unicode: F756. Letter-like form. Icon typically used for the Mathematica kernel. This icon is a trademark of Wolfram Research.

\[Koppa] (Mathematica Character Name)

Unicode: 03DF. Aliases: Esc ko Esc, Esc koppa Esc. Special Greek letter. Analogous to English q. Appeared between π and ρ in early Greek alphabet; used for Greek numeral 90.