$Failed (Built-in Mathematica Symbol)

$Failed is a special symbol returned by certain functions when they cannot do what they were asked to do.

Print Formats (Mathematica Guide)

Mathematica can automatically export both individual graphics and complete documents to print-ready formats.

\[Angstrom] (Mathematica Character Name)

Unicode: 212B. Alias: Esc Ang Esc. Letter-like form. Unit corresponding to 10^-10 meters. Not the same as the letter \[CapitalARing].

\[CapitalDelta] (Mathematica Character Name)

Unicode: 0394. Aliases: Esc D Esc, Esc Delta Esc. Greek letter. Not the same as \[EmptyUpTriangle] or \[DifferenceDelta]. Sometimes used in mathematics to denote Laplacian.

\[CHacek] (Mathematica Character Name)

Unicode: 010D. Alias: Esc cv Esc. Letter. Included in ISO Latin-2.

\[CirclePlus] (Mathematica Character Name)

Unicode: 2295. Alias: Esc c+ Esc. Infix operator. x ⊕ y is by default interpreted as CirclePlus[x,y]. Used in mathematics for various operations related to addition, such as ...

\[CircleTimes] (Mathematica Character Name)

Unicode: 2297. Alias: Esc c* Esc. Infix and prefix operator. x ⊗ y is by default interpreted as CircleTimes[x,y]. Used in mathematics for various operations related to ...

\[Cross] (Mathematica Character Name)

Unicode: F4A0. Alias: Esc cross Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Cross[x,y]. Not the same as \[Times]. \[Cross] ...

\[Del] (Mathematica Character Name)

Unicode: 2207. Alias: Esc del Esc. Prefix operator. ∇f is by default interpreted as Del[f]. Used in vector analysis to denote gradient operator and its generalizations. Used ...

\[DHacek] (Mathematica Character Name)

Unicode: 010F. Alias: Esc dv Esc. Letter. Included in ISO Latin-2.