Special Characters
The Wolfram Language not only has systemwide support for arbitrary Unicode characters, but also includes nearly a thousand carefully designed characters for mathematical notation and technical presentation—all fully integrated into the Wolfram Language's input, output, and graphics.
nnn
or \[Name] — named character (e.g. α, 
a
, ∖[Alpha])
Insert ▶ Special Character — palette of all named special characters
Wolfram Language Syntax »
∞ ▪ ° ▪ π ▪ × ▪ ▪ ▪ ∫ ▪ ▪ ∂ ▪ ∈ ▪ ▪ ▪ ▪ 〚 ▪ 〛 ▪ ...
\[Degree] ▪ \[ImaginaryI] ▪ \[Times] ▪ \[Element] ▪ \[Rule] ▪ ...
Greek Letters »
α ▪ β ▪ θ ▪ ϑ ▪ ϕ ▪ ω ▪ Δ ▪ Ψ ▪ Ω ▪ Ϡ ▪ ...
\[Alpha] ▪ \[CurlyTheta] ▪ \[CapitalDelta] ▪ \[Sampi] ▪ ...
Notational Alphabets »
▪ ▪ ▪ ▪ ▪ ▪ a ▪ A ▪ ℵ ▪ ...
\[ScriptA] ▪ \[ScriptCapitalA] ▪ \[GothicA] ▪ \[FormalA] ▪ \[Aleph] ▪ ...
Mathematical Notation »
∫ ▪ ∑ ▪ ∂ ▪ ∇ ▪ ∀ ▪ ⋂ ▪ ≡ ▪ ≳ ▪ ∠ ▪ ∈ ▪ ∅ ▪ ⋀ ▪ ⊕ ▪ ...
\[Integral] ▪ \[Sum] ▪ \[Del] ▪ \[ForAll] ▪ \[CirclePlus] ▪ ...
Arrows & Arrow-Like Forms »
→ ▪ ⟶ ▪ ⇒ ▪ ⟹ ▪ ↔ ▪ ↕ ▪ ⇀ ▪ ⇂ ▪ ⇥ ▪ ⇌ ▪ ⊣ ▪ ...
\[RightArrow] ▪ \[LongRightArrow] ▪ \[DoubleRightArrow] ▪ \[LeftRightArrow] ▪ ...
Textual Forms »
– ▪ — ▪ ⋯ ▪ • ▪ ¶ ▪ † ▪ ✓ ▪ “ ▪ ” ▪ ¿ ▪ © ▪ ...
\[Dash] ▪ \[LongDash] ▪ \[Bullet] ▪ \[Copyright] ▪ ...
Currency, Units, and Special Notations »
€ ▪ £ ▪ µ ▪ Å ▪ ℏ ▪ ♂ ▪ ♃ ▪ ♪ ▪ ♮ ▪ ♣ ▪ \[WhiteKnight] ▪ ...
\[Euro] ▪ \[Sterling] ▪ \[Micro] ▪ \[Mars] ▪ \[Natural] ▪ ...
User Interfaces & Documentation »
▶ ▪ » ▪ ▪ ▪ ▪ ↵ ▪ ⌘ ▪ ...
Shapes, Icons, etc. »
■ ▪ ● ▪ ▪ □ ▪ ◆ ▪ ☺ ▪ ▪ ▪ ...
\[FilledSquare] ▪ \[EmptySquare] ▪ \[HappySmiley] ▪ ...
Non-Printing Characters »
\[ThinSpace] ▪ \[NonBreakingSpace] ▪ \[InvisibleComma] ▪ \[AlignmentMarker] ▪ ...
International Characters »
é ▪ ö ▪ à ▪ á ▪ â ▪ ã ▪ ä ▪ å ▪ ç ▪ č ▪ ø ▪ æ ▪ ß ▪ ...
\[EAcute] ▪ \[ODoubleDot] ▪ \[CHacek] ▪ ...
Formal Symbols »
\[FormalA] ▪ \[FormalCapitalA] ▪ \[FormalOmega] ▪ ...
FullForm — show characters in their full named form
\.nn, \:nnnn, \|nnnnnn — enter forms with hex values corresponding to Unicode code points
\alpha
, 
Α
, etc. — enter TeX, HTML, SGML, etc. forms
ToCharacterCode ▪ FromCharacterCode ▪ CharacterRange
StringToByteArray ▪ ByteArrayToString
Alphabet — alphabets for different scripts