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