HTML特殊字符编码对照表

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HTML 支持的数学符号

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 支持的希腊字母

结果描述实体名称实体编号ΑAlphaΑΑΒBetaΒΒΓGammaΓΓΔDeltaΔΔΕEpsilonΕΕΖZetaΖΖΗEtaΗΗΘThetaΘΘΙIotaΙΙΚKappaΚΚΛLambdaΛΛΜMuΜΜΝNuΝΝΞXiΞΞΟOmicronΟΟΠPiΠΠΡRhoΡΡ Sigmaf undefinedΣSigmaΣΣΤTauΤΤΥUpsilonΥΥΦPhiΦΦΧChiΧΧΨPsiΨΨΩOmegaΩΩ    αalphaααβbetaββγgammaγγδdeltaδδεepsilonεεζzetaζζηetaηηθthetaθθιiotaιικkappaκκλlambdaλΛμmuμμνnuνΝξxiξξοomicronοοπpiππρrhoρρςsigmafςςσsigmaσστtauττυupsilonυυφphiφφχchiχχψpsiψψωomegaωω    ϑtheta symbolϑϑϒupsilon symbolϒϒϖpi symbolϖϖ

HTML 支持的其他实体

结果描述实体名称实体编号Œcapital ligature OEŒŒœsmall ligature oeœœŠcapital S with caronŠŠšsmall S with caronššŸcapital Y with diaeresŸŸƒf with hookƒƒˆmodifier letter circumflex accentˆˆ˜small tilde˜˜ en space   em space   thin space  ‌zero width non-joiner‌‌‍zero width joiner‍‍‎left-to-right mark‎‎‏right-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♦♦