\[FormalT] (Mathematica Character Name)

Unicode: F813. Alias: Esc $t Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.

\[FormalU] (Mathematica Character Name)

Unicode: F814. Alias: Esc $u Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.

\[FormalV] (Mathematica Character Name)

Unicode: F815. Alias: Esc $v Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.

\[FormalW] (Mathematica Character Name)

Unicode: F816. Alias: Esc $w Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.

\[FormalX] (Mathematica Character Name)

Unicode: F817. Alias: Esc $x Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.

\[FormalY] (Mathematica Character Name)

Unicode: F818. Alias: Esc $y Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.

\[FormalZ] (Mathematica Character Name)

Unicode: F819. Alias: Esc $z Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.

\[UndirectedEdge] (Mathematica Character Name)

Unicode: 0F3D4. Aliases: Esc ue Esc. Infix operator with built-in evaluation rules. uv is by default interpreted as UndirectedEdge[u,v].

Palettes > Generate Palette from ... (Mathematica Menu Item)

Generate Palette from Selection converts a selection into a palette.

$CCompiler (C Compiler Driver Package Symbol)

$CCompiler sets the default C compiler to use for operating on C code.