08
4月
2021

HTML 符号

HTML 符号实体参考手册


HTML 符号实体

本字符实体参考手册包括了数学符号、希腊字符、各种箭头记号、科技符号以及形状。

注释: 实体名称对大小写敏感。


HTML 支持的数学符号

字符 实体编号 实体名称 描述
∀ for all
∂ part
∃ exists
∅ empty
∇ nabla
∈ isin
∉ notin
∋ ni
∏ prod
∑ sum
− minus
∗ lowast
√ square root
∝ proportional to
∞ infinity
∠ angle
∧ and
∨ or
∩ cap
∪ cup
∫ integral
∴ therefore
∼ similar to
≅ congruent to
≈ almost equal
≠ not equal
≡ equivalent
≤ less or equal
≥ greater or equal
⊂ subset of
⊃ superset of
⊄ not subset of
⊆ subset or equal
⊇ superset or equal
⊕ circled plus
⊗ circled times
⊥ perpendicular
⋅ dot operator

HTML 支持的希腊字母

字符 实体编号 实体名称 描述
Α Α Α Alpha
Β Β Β Beta
Γ Γ Γ Gamma
Δ Δ Δ Delta
Ε Ε Ε Epsilon
Ζ Ζ Ζ Zeta
Η Η Η Eta
Θ Θ Θ Theta
Ι Ι Ι Iota
Κ Κ Κ Kappa
Λ Λ Λ Lambda
Μ Μ Μ Mu
Ν Ν Ν Nu
Ξ Ξ Ξ Xi
Ο Ο Ο Omicron
Π Π Π Pi
Ρ Ρ Ρ Rho
undefined Sigmaf
Σ Σ Σ Sigma
Τ Τ Τ Tau
Υ Υ Υ Upsilon
Φ Φ Φ Phi
Χ Χ Χ Chi
Ψ Ψ Ψ Psi
Ω Ω Ω Omega
α α α alpha
β β β beta
γ γ γ gamma
δ δ δ delta
ε ε ε epsilon
ζ ζ ζ zeta
η η η eta
θ θ θ theta
ι ι ι iota
κ κ κ kappa
λ λ λ lambda
μ μ μ mu
ν ν ν nu
ξ ξ ξ xi
ο ο ο omicron
π π π pi
ρ ρ ρ rho
ς ς ς sigmaf
σ σ σ sigma
τ τ τ tau
υ υ υ upsilon
φ φ φ phi
χ χ χ chi
ψ ψ ψ psi
ω ω ω omega
ϑ ϑ ϑ theta symbol
ϒ ϒ ϒ upsilon symbol
ϖ ϖ ϖ pi symbol

HTML 支持的其他实体

字符 实体编号 实体名称 描述
ΠΠΠcapital ligature OE
œ œ œ small ligature oe
Š Š Š capital S with caron
š š š small S with caron
Ÿ Ÿ Ÿ capital Y with diaeres
ƒ ƒ ƒ f with hook
ˆ ˆ ˆ modifier letter circumflex accent
˜ ˜ ˜ small tilde
  en space
  em space
  thin space
‌ zero width non-joiner
‍ zero width joiner
‎ left-to-right mark
‏ right-to-left mark
– en dash
— em dash
‘ left single quotation mark
’ right single quotation mark
‚ single low-9 quotation mark
“ left double quotation mark
” right double quotation mark
„ double low-9 quotation mark
† dagger
‡ double dagger
• bullet
… horizontal ellipsis
‰ per mille
′ minutes
″ seconds
‹ single left angle quotation
› single right angle quotation
‾ overline
€ euro
™ or ™ ™ trademark
← left arrow
↑ up arrow
→ right arrow
↓ down arrow
↔ left right arrow
↵ carriage return arrow
⌈ left ceiling
⌉ right ceiling
⌊ left floor
⌋ right floor
◊ lozenge
♠ spade
♣ club
♥ heart
♦ diamond

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