HTML 支持的数学符号
http://www.w3school.com.cn/tags/html_ref_symbols.html
| 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 |
|---|---|---|---|
| Α | Alpha | Α | Α |
| Β | Beta | Β | Β |
| Γ | Gamma | Γ | Γ |
| Δ | Delta | Δ | Δ |
| Ε | Epsilon | Ε | Ε |
| Ζ | Zeta | Ζ | Ζ |
| Η | Eta | Η | Η |
| Θ | Theta | Θ | Θ |
| Ι | Iota | Ι | Ι |
| Κ | Kappa | Κ | Κ |
| Λ | Lambda | Λ | Λ |
| Μ | Mu | Μ | Μ |
| Ν | Nu | Ν | Ν |
| Ξ | Xi | Ξ | Ξ |
| Ο | Omicron | Ο | Ο |
| Π | Pi | Π | Π |
| Ρ | Rho | Ρ | Ρ |
| Sigmaf | undefined | ||
| Σ | Sigma | Σ | Σ |
| Τ | Tau | Τ | Τ |
| Υ | Upsilon | Υ | Υ |
| Φ | Phi | Φ | Φ |
| Χ | Chi | Χ | Χ |
| Ψ | Psi | Ψ | Ψ |
| Ω | Omega | Ω | Ω |
| α | alpha | α | α |
| β | beta | β | β |
| γ | gamma | γ | γ |
| δ | delta | δ | δ |
| ε | epsilon | ε | ε |
| ζ | zeta | ζ | ζ |
| η | eta | η | η |
| θ | theta | θ | θ |
| ι | iota | ι | ι |
| κ | kappa | κ | κ |
| λ | lambda | λ | Λ |
| μ | mu | μ | μ |
| ν | nu | ν | Ν |
| ξ | xi | ξ | ξ |
| ο | omicron | ο | ο |
| π | pi | π | π |
| ρ | rho | ρ | ρ |
| ς | sigmaf | ς | ς |
| σ | sigma | σ | σ |
| τ | tau | τ | τ |
| υ | upsilon | υ | υ |
| φ | phi | φ | φ |
| χ | chi | χ | χ |
| ψ | psi | ψ | ψ |
| ω | omega | ω | ω |
| ϑ | theta symbol | ϑ | ϑ |
| ϒ | upsilon symbol | ϒ | ϒ |
| ϖ | pi symbol | ϖ | ϖ |
HTML 支持的其他实体
| 结果 | 描述 | 实体名称 | 实体编号 |
|---|---|---|---|
| Π| capital ligature OE | Π| Π|
| œ | small ligature oe | œ | œ |
| Š | capital S with caron | Š | Š |
| š | small S with caron | š | š |
| Ÿ | capital Y with diaeres | Ÿ | Ÿ |
| ƒ | f with hook | ƒ | ƒ |
| ˆ | modifier letter circumflex accent | ˆ | ˆ |
| ˜ | 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 | ♦ | ♦ |
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