本字符实体参考包括了数学符号、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
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 |
---|---|---|---|
Œ | capital ligature OE | Œ | Œ |
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 | ♦ | ♦ |
时间: 2024-10-12 16:02:53