HTML 符号实体参考手册_教程

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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
⅑ ∼ 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 Ͱ ζ zeta
η ͱ η eta
θ Ͳ θ theta
ι ͳ ι iota
κ ʹ κ kappa
λ ͵ λ lambda
μ Ͷ μ mu
ν ͷ ν nu
ξ ͸ ξ xi
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
ῼ   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
&#8166.6; ‚ 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