HTML 4.01 符号实体
时间:2011-12-08 17:56来源: 作者: 点击:
次
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。
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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
| 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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