HTML 特殊符号 / 实体参考手册

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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
∼ ∼ 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

<tr>
  <td>&nbsp;</td>
  <td>&nbsp;</td>
  <td>&nbsp;</td>
  <td>&nbsp;</td>
</tr>

<tr>
  <td>α</td>
  <td>&amp;#945;</td>
  <td>&amp;alpha;</td>
  <td>alpha</td>
</tr>
<tr>
  <td>β</td>
  <td>&amp;#946;</td>
  <td>&amp;beta;</td>
  <td>beta</td>
</tr>
<tr>
  <td>γ</td>
  <td>&amp;#947;</td>
  <td>&amp;gamma;</td>
  <td>gamma</td>
</tr>
<tr>
  <td>δ</td>
  <td>&amp;#948;</td>
  <td>&amp;delta;</td>
  <td>delta</td>
</tr>
<tr>
  <td>ε</td>
  <td>&amp;#949;</td>
  <td>&amp;epsilon;</td>
  <td>epsilon</td>
</tr>
<tr>
  <td>ζ</td>
  <td>&amp;#950;</td>
  <td>&amp;zeta;</td>
  <td>zeta</td>
</tr>
<tr>
  <td>η</td>
  <td>&amp;#951;</td>
  <td>&amp;eta;</td>
  <td>eta</td>
</tr>
<tr>
  <td>θ</td>
  <td>&amp;#952;</td>
  <td>&amp;theta;</td>
  <td>theta</td>
</tr>
<tr>
  <td>ι</td>
  <td>&amp;#953;</td>
  <td>&amp;iota;</td>
  <td>iota</td>
</tr>
<tr>
  <td>κ</td>
  <td>&amp;#954;</td>
  <td>&amp;kappa;</td>
  <td>kappa</td>
</tr>
<tr>
  <td>λ</td>
  <td>&amp;#955;</td>
  <td>&amp;lambda;</td>
  <td>lambda</td>
</tr>
<tr>
  <td>μ</td>
  <td>&amp;#956;</td>
  <td>&amp;mu;</td>
  <td>mu</td>
</tr>
<tr>
  <td>ν</td>
  <td>&amp;#957;</td>
  <td>&amp;nu;</td>
  <td>nu</td>
</tr>
<tr>
  <td>ξ</td>
  <td>&amp;#958;</td>
  <td>&amp;xi;</td>
  <td>xi</td>
</tr>
<tr>
  <td>ο</td>
  <td>&amp;#959;</td>
  <td>&amp;omicron;</td>
  <td>omicron</td>
</tr>
<tr>
  <td>π</td>
  <td>&amp;#960;</td>
  <td>&amp;pi;</td>
  <td>pi</td>
</tr>
<tr>
  <td>ρ</td>
  <td>&amp;#961;</td>
  <td>&amp;rho;</td>
  <td>rho</td>
</tr>
<tr>
  <td>ς</td>
  <td>&amp;#962;</td>
  <td>&amp;sigmaf;</td>
  <td>sigmaf</td>
</tr>
<tr>
  <td>σ</td>
  <td>&amp;#963;</td>
  <td>&amp;sigma;</td>
  <td>sigma</td>
</tr>
<tr>
  <td>τ</td>
  <td>&amp;#964;</td>
  <td>&amp;tau;</td>
  <td>tau</td>
</tr>
<tr>
  <td>υ</td>
  <td>&amp;#965;</td>
  <td>&amp;upsilon;</td>
  <td>upsilon</td>
</tr>
<tr>
  <td>φ</td>
  <td>&amp;#966;</td>
  <td>&amp;phi;</td>
  <td>phi</td>
</tr>
<tr>
  <td>χ</td>
  <td>&amp;#967;</td>
  <td>&amp;chi;</td>
  <td>chi</td>
</tr>
<tr>
  <td>ψ</td>
  <td>&amp;#968;</td>
  <td>&amp;psi;</td>
  <td>psi</td>
</tr>
<tr>
  <td>ω</td>
  <td>&amp;#969;</td>
  <td>&amp;omega;</td>
  <td>omega</td>
</tr>
<tr>
  <td>&nbsp;</td>
  <td>&nbsp;</td>
  <td>&nbsp;</td>
  <td>&nbsp;</td>
</tr>
<tr>
  <td>ϑ</td>
  <td>&amp;#977;</td>
  <td>&amp;thetasym;</td>
  <td>theta symbol</td>
</tr>
<tr>
  <td>ϒ</td>
  <td>&amp;#978;</td>
  <td>&amp;upsih;</td>
  <td>upsilon symbol</td>
</tr>
<tr>
  <td>ϖ</td>
  <td>&amp;#982;</td>
  <td>&amp;piv;</td>
  <td>pi symbol</td>
</tr>
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

HTML 支持的其他实体

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; or &#153; &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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