HTML 4.01 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?/p>

注释?/span>实体名称对大小写敏感?/p>

HTML 支持的数学符?/h2>
结果描述实体名称实体编号
for all∀∀
part∂∂
exists&exists;∃
empty∅∅
nabla∇∇
isin∈∈
notin∉∉
ni∋∋
prod∏∏
sum∑∑
minus−−
lowast∗∗
square root√√
proportional to∝∝
infinity∞∞
angle∠∠
and∧∧
or∨∨
cap∩∩
cup∪∪
integral∫∫
therefore∴∴
simular to∼∼
approximately equal≅≅
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⊕⊕
cirled times⊗⊗
perpendicular⊥⊥
dot operator⋅⋅

HTML 支持的?/h2>
结果描述实体名称实体编号
ΑAlphaΑΑ
ΒBetaΒΒ
ΓGammaΓΓ
ΔDeltaΔΔ
ΕEpsilonΕΕ
ΖZetaΖΖ
ΗEtaΗΗ
ΘThetaΘΘ
ΙIotaΙΙ
ΚKappaΚΚ
ΛLambdaΛΛ
ΜMuΜΜ
ΝNuΝΝ
ΞXiΞΞ
ΟOmicronΟΟ
ΠPiΠΠ
ΡRhoΡΡ
 Sigmaf undefined
ΣSigmaΣΣ
ΤTauΤΤ
ΥUpsilonΥΥ
ΦPhiΦΦ
ΧChiΧΧ
ΨPsiΨΨ
ΩOmegaΩΩ
    
αalphaαα
βbetaββ
γgammaγγ
δdeltaδδ
εepsilonεε
ζzetaζζ
ηetaηη
θthetaθθ
ιiotaιι
κkappaκκ
λlambdaλΛ
μmuμμ
νnuνΝ
ξxiξξ
οomicronοο
πpiππ
ρrhoρρ
ςsigmafςς
σsigmaσσ
τtauττ
υupsilonυυ
φphiφφ
χchiχχ
ψpsiψψ
ωomegaωω
    
ϑtheta symbolϑϑ
ϒupsilon symbolϒϒ
ϖpi symbolϖϖ

HTML 支持的其他实?/h2>
结果描述实体名称实体编号
Œcapital ligature OEŒŒ
œsmall ligature oeœœ
Šcapital S with caronŠŠ
šsmall S with caronšš
Ÿcapital Y with diaeresŸŸ
ƒf with hookƒƒ
ˆmodifier letter circumflex accentˆˆ
˜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€€
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♦♦