HTML参考手册

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HTML 符号实体参考手册

HTML符号实体

本实体参考手册包含数学符号、希腊字母、各种箭头、技术符号及各种形状。

注意：实体名称是区分大小写的。

HTML支持的数学符号

字符 实体编号 实体名称 描述
∀ &#8704; &forall; for all
∂ &#8706; &part; part
∃ &#8707; &exists; exists
∅ &#8709; &empty; empty
∇ &#8711; &nabla; nabla
∈ &#8712; &isin; isin
∉ &#8713; &notin; notin
∋ &#8715; &ni; ni
∏ &#8719; &prod; prod
∑ &#8721; &sum; sum
− &#8722; &minus; minus
∗ &#8727; &lowast; lowast
√ &#8730; &radic; square root
∝ &#8733; &prop; proportional to
∞ &#8734; &infin; infinity
∠ &#8736; &ang; angle
∧ &#8743; &and; and
∨ &#8744; &or; or
∩ &#8745; &cap; cap
∪ &#8746; &cup; cup
∫ &#8747; &int; integral
∴ &#8756; &there4; therefore
∼ &#8764; &sim; similar to
≅ &#8773; &cong; congruent to
≈ &#8776; &asymp; almost equal
≠ &#8800; &ne; not equal
≡ &#8801; &equiv; equivalent
≤ &#8804; &le; less or equal
≥ &#8805; &ge; greater or equal
⊂ &#8834; &sub; subset of
⊃ &#8835; &sup; superset of
⊄ &#8836; &nsub; not subset of
⊆ &#8838; &sube; subset or equal
⊇ &#8839; &supe; superset or equal
⊕ &#8853; &oplus; circled plus
⊗ &#8855; &otimes; cirled times
⊥ &#8869; &perp; perpendicular
⋅ &#8901; &sdot; dot operator

HTML支持的希腊字母

字符 实体编号 实体名称 描述
Α &#913; &Alpha; Alpha
Β &#914; &Beta; Beta
Γ &#915; &Gamma; Gamma
Δ &#916; &Delta; Delta
Ε &#917; &Epsilon; Epsilon
Ζ &#918; &Zeta; Zeta
Η &#919; &Eta; Eta
Θ &#920; &Theta; Theta
Ι &#921; &Iota; Iota
Κ &#922; &Kappa; Kappa
Λ &#923; &Lambda; Lambda
Μ &#924; &Mu; Mu
Ν &#925; &Nu; Nu
Ξ &#926; &Xi; Xi
Ο &#927; &Omicron; Omicron
Π &#928; &Pi; Pi
Ρ &#929; &Rho; Rho
  undefined   Sigmaf
Σ &#931; &Sigma; Sigma
Τ &#932; &Tau; Tau
Υ &#933; &Upsilon; Upsilon
Φ &#934; &Phi; Phi
Χ &#935; &Chi; Chi
Ψ &#936; &Psi; Psi
Ω &#937; &Omega; Omega
       
α &#945; &alpha; alpha
β &#946; &beta; beta
γ &#947; &gamma; gamma
δ &#948; &delta; delta
ε &#949; &epsilon; epsilon
ζ &#950; &zeta; zeta
η &#951; &eta; eta
θ &#952; &theta; theta
ι &#953; &iota; iota
κ &#954; &kappa; kappa
λ &#955; &lambda; lambda
μ &#956; &mu; mu
ν &#957; &nu; nu
ξ &#958; &xi; xi
ο &#959; &omicron; omicron
π &#960; &pi; pi
ρ &#961; &rho; rho
ς &#962; &sigmaf; sigmaf
σ &#963; &sigma; sigma
τ &#964; &tau; tau
υ &#965; &upsilon; upsilon
φ &#966; &phi; phi
χ &#967; &chi; chi
ψ &#968; &psi; psi
ω &#969; &omega; omega
       
ϑ &#977; &thetasym; theta symbol
ϒ &#978; &upsih; upsilon symbol
ϖ &#982; &piv; pi symbol

HTML支持的其它实体

字符 实体编号 实体名称 描述
Π&#338; &OElig; capital ligature OE
œ &#339; &oelig; small ligature oe
Š &#352; &Scaron; capital S with caron
š &#353; &scaron; small S with caron
Ÿ &#376; &Yuml; capital Y with diaeres
ƒ &#402; &fnof; f with hook
ˆ &#710; &circ; modifier letter circumflex accent
˜ &#732; &tilde; small tilde
  &#8194; &ensp; en space
  &#8195; &emsp; em space
  &#8201; &thinsp; thin space
‌ &#8204; &zwnj; zero width non-joiner
‍ &#8205; &zwj; zero width joiner
‎ &#8206; &lrm; left-to-right mark
‏ &#8207; &rlm; right-to-left mark
– &#8211; &ndash; en dash
— &#8212; &mdash; em dash
‘ &#8216; &lsquo; left single quotation mark
’ &#8217; &rsquo; right single quotation mark
‚ &#8218; &sbquo; single low-9 quotation mark
“ &#8220; &ldquo; left double quotation mark
” &#8221; &rdquo; right double quotation mark
„ &#8222; &bdquo; double low-9 quotation mark
† &#8224; &dagger; dagger
‡ &#8225; &Dagger; double dagger
• &#8226; &bull; bullet
… &#8230; &hellip; horizontal ellipsis
‰ &#8240; &permil; per mille 
′ &#8242; &prime; minutes
″ &#8243; &Prime; seconds
‹ &#8249; &lsaquo; single left angle quotation
› &#8250; &rsaquo; single right angle quotation
‾ &#8254; &oline; overline
€ &#8364; &euro; euro
™ &#8482; &trade; trademark
← &#8592; &larr; left arrow
↑ &#8593; &uarr; up arrow
→ &#8594; &rarr; right arrow
↓ &#8595; &darr; down arrow
↔ &#8596; &harr; left right arrow
↵ &#8629; &crarr; carriage return arrow
⌈ &#8968; &lceil; left ceiling
⌉ &#8969; &rceil; right ceiling
⌊ &#8970; &lfloor; left floor
⌋ &#8971; &rfloor; right floor
◊ &#9674; &loz; lozenge
♠ &#9824; &spades; spade
♣ &#9827; &clubs; club
♥ &#9829; &hearts; heart
♦ &#9830; &diams; diamond

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