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
ΑΑΑAlpha
ΒΒΒBeta
ΓΓΓGamma
ΔΔΔDelta
ΕΕΕEpsilon
ΖΖΖZeta
ΗΗΗEta
ΘΘΘTheta
ΙΙΙIota
ΚΚΚKappa
ΛΛΛLambda
ΜΜΜMu
ΝΝΝNu
ΞΞΞXi
ΟΟΟOmicron
ΠΠΠPi
ΡΡΡRho
 undefined Sigmaf
ΣΣΣSigma
ΤΤΤTau
ΥΥΥUpsilon
ΦΦΦPhi
ΧΧΧChi
ΨΨΨPsi
ΩΩΩOmega
    
αααalpha
βββbeta
γγγgamma
δδδdelta
εεεepsilon
ζζζzeta
ηηηeta
θθθtheta
ιιιiota
κκκkappa
λλλlambda
μμμmu
νννnu
ξξξxi
οοοomicron
πππpi
ρρρrho
ςςςsigmaf
σσσsigma
τττtau
υυυupsilon
φφφphi
χχχchi
ψψψpsi
ωωωomega
    
ϑϑϑtheta symbol
ϒϒϒupsilon symbol
ϖϖϖpi symbol

HTML 支持的其他实体

字符实体编号实体名称描述
ŒŒŒcapital ligature OE
œœœsmall ligature oe
ŠŠŠcapital S with caron
šššsmall S with caron
ŸŸŸcapital Y with diaeres
ƒƒƒf with hook
ˆˆˆmodifier 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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