Character
字符 |
Named entity
已命名实体 |
Numeric character reference
十进制编码 |
Description
简介 |
扩展拉丁字符 Latin Extended-B |
ƒ |
ƒ |
ƒ |
Latin small f with hook, =function, =florin, U0192 ISOtech |
希腊字符 Greek |
Α |
Α |
Α |
Greek capital letter alpha, U0391 |
Β |
Β |
Β |
Greek capital letter beta, U0392 |
Γ |
Γ |
Γ |
Greek capital letter gamma, U0393 ISOgrk3 |
Δ |
Δ |
Δ |
Greek capital letter delta, U0394 ISOgrk3 |
Ε |
Ε |
Ε |
Greek capital letter epsilon, U0395 |
Ζ |
Ζ |
Ζ |
Greek capital letter zeta, U0396 |
Η |
Η |
Η |
Greek capital letter eta, U0397 |
Θ |
Θ |
Θ |
Greek capital letter theta, U0398 ISOgrk3 |
Ι |
Ι |
Ι |
Greek capital letter iota, U0399 |
Κ |
Κ |
Κ |
Greek capital letter kappa, U039A |
Λ |
Λ |
Λ |
Greek capital letter lambda, U039B ISOgrk3 |
Μ |
Μ |
Μ |
Greek capital letter mu, U039C |
Ν |
Ν |
Ν |
Greek capital letter nu, U039D |
Ξ |
Ξ |
Ξ |
Greek capital letter xi, U039E ISOgrk3 |
Ο |
Ο |
Ο |
Greek capital letter omicron, U039F |
Π |
Π |
Π |
Greek capital letter pi, U03A0 ISOgrk3 |
Ρ |
Ρ |
Ρ |
Greek capital letter rho, U03A1 |
Σ |
Σ |
Σ |
Greek capital letter sigma, U03A3 ISOgrk3 |
Τ |
Τ |
Τ |
Greek capital letter tau, U03A4 |
Υ |
Υ |
Υ |
Greek capital letter upsilon, U03A5 ISOgrk3 |
Φ |
Φ |
Φ |
Greek capital letter phi, U03A6 ISOgrk3 |
Χ |
Χ |
Χ |
Greek capital letter chi, U03A7 |
Ψ |
Ψ |
Ψ |
Greek capital letter psi, U03A8 ISOgrk3 |
Ω |
Ω |
Ω |
Greek capital letter omega, U03A9 ISOgrk3 |
α |
α |
α |
Greek small letter alpha, U03B1 ISOgrk3 |
β |
β |
β |
Greek small letter beta, U03B2 ISOgrk3 |
γ |
γ |
γ |
Greek small letter gamma, U03B3 ISOgrk3 |
δ |
δ |
δ |
Greek small letter delta, U03B4 ISOgrk3 |
ε |
ε |
ε |
Greek small letter epsilon, U03B5 ISOgrk3 |
ζ |
ζ |
ζ |
Greek small letter zeta, U03B6 ISOgrk3 |
η |
η |
η |
Greek small letter eta, U03B7 ISOgrk3 |
θ |
θ |
θ |
Greek small letter theta, U03B8 ISOgrk3 |
ι |
ι |
ι |
Greek small letter iota, U03B9 ISOgrk3 |
κ |
κ |
κ |
Greek small letter kappa, U03BA ISOgrk3 |
λ |
λ |
λ |
Greek small letter lambda, U03BB ISOgrk3 |
μ |
μ |
μ |
Greek small letter mu, U03BC ISOgrk3 |
ν |
ν |
ν |
Greek small letter nu, U03BD ISOgrk3 |
ξ |
ξ |
ξ |
Greek small letter xi, U03BE ISOgrk3 |
ο |
ο |
ο |
Greek small letter omicron, U03BF NEW |
π |
π |
π |
Greek small letter pi, U03C0 ISOgrk3 |
ρ |
ρ |
ρ |
Greek small letter rho, U03C1 ISOgrk3 |
ς |
ς |
ς |
Greek small letter final sigma, U03C2 ISOgrk3 |
σ |
σ |
σ |
Greek small letter sigma, U03C3 ISOgrk3 |
τ |
τ |
τ |
Greek small letter tau, U03C4 ISOgrk3 |
υ |
υ |
υ |
Greek small letter upsilon, U03C5 ISOgrk3 |
φ |
φ |
φ |
Greek small letter phi, U03C6 ISOgrk3 |
χ |
χ |
χ |
Greek small letter chi, U03C7 ISOgrk3 |
ψ |
ψ |
ψ |
Greek small letter psi, U03C8 ISOgrk3 |
ω |
ω |
ω |
Greek small letter omega, U03C9 ISOgrk3 |
ϑ |
ϑ |
ϑ |
Greek small letter theta symbol, U03D1 NEW |
ϒ |
ϒ |
ϒ |
Greek upsilon with hook symbol, U03D2 NEW |
ϖ |
ϖ |
ϖ |
Greek pi symbol, U03D6 ISOgrk3 |
通用标点符号 General Punctuation |
• |
• |
• |
bullet, =black small circle, U2022 ISOpub |
… |
… |
… |
horizontal ellipsis, =three dot leader, U2026 ISOpub |
′ |
′ |
′ |
prime, =minutes, =feet, U2032 ISOtech |
″ |
″ |
″ |
double prime, =seconds, =inches, U2033 ISOtech |
‾ |
‾ |
‾ |
overline, =spacing overscore, U203E NEW |
⁄ |
⁄ |
⁄ |
fraction slash, U2044 NEW |
字符标记 Letterlike Symbols |
℘ |
℘ |
℘ |
script capital P, =power set, =Weierstrass p, U2118 ISOamso |
ℑ |
ℑ |
ℑ |
blackletter capital I, =imaginary part, U2111 ISOamso |
ℜ |
ℜ |
ℜ |
blackletter capital R, =real part symbol, U211C ISOamso |
™ |
™ |
™ |
trade mark sign, U2122 ISOnum |
ℵ |
ℵ |
ℵ |
alef symbol, =first transfinite cardinal, U2135 NEW |
箭头 Arrows |
← |
← |
← |
leftward arrow, U2190 ISOnum |
↑ |
↑ |
↑ |
upward arrow, U2191 ISOnum |
→ |
→ |
→ |
rightward arrow, U2192 ISOnum |
↓ |
↓ |
↓ |
downward arrow, U2193 ISOnum |
↔ |
↔ |
↔ |
left right arrow, U2194 ISOamsa |
↵ |
↵ |
↵ |
downward arrow with corner leftward, =carriage return, U21B5 NEW |
⇐ |
⇐ |
⇐ |
leftward double arrow, U21D0 ISOtech |
⇑ |
⇑ |
⇑ |
upward double arrow, U21D1 ISOamsa |
⇒ |
⇒ |
⇒ |
rightward double arrow, U21D2 ISOtech |
⇓ |
⇓ |
⇓ |
downward double arrow, U21D3 ISOamsa |
⇔ |
⇔ |
⇔ |
left right double arrow, U21D4 ISOamsa |
数学符号 Mathematical Operators |
∀ |
∀ |
∀ |
for all, U2200 ISOtech |
∂ |
∂ |
∂ |
partial differential, U2202 ISOtech |
∃ |
∃ |
∃ |
there exists, U2203 ISOtech |
∅ |
∅ |
∅ |
empty set, =null set, =diameter, U2205 ISOamso |
∇ |
∇ |
∇ |
nabla, =backward difference, U2207 ISOtech |
∈ |
∈ |
∈ |
element of, U2208 ISOtech |
∉ |
∉ |
∉ |
not an element of, U2209 ISOtech |
∋ |
∋ |
∋ |
contains as member, U220B ISOtech |
∏ |
∏ |
∏ |
n-ary product, =product sign, U220F ISOamsb |
− |
∑ |
− |
n-ary sumation, U2211 ISOamsb |
− |
− |
− |
minus sign, U2212 ISOtech |
∗ |
∗ |
∗ |
asterisk operator, U2217 ISOtech |
√ |
√ |
√ |
square root, =radical sign, U221A ISOtech |
∝ |
∝ |
∝ |
proportional to, U221D ISOtech |
∞ |
∞ |
∞ |
infinity, U221E ISOtech |
∠ |
∠ |
∠ |
angle, U2220 ISOamso |
⊥ |
∧ |
⊥ |
logical and, =wedge, U2227 ISOtech |
⊦ |
∨ |
⊦ |
logical or, =vee, U2228 ISOtech |
∩ |
∩ |
∩ |
intersection, =cap, U2229 ISOtech |
∪ |
∪ |
∪ |
union, =cup, U222A ISOtech |
∫ |
∫ |
∫ |
integral, U222B ISOtech |
∴ |
∴ |
∴ |
therefore, U2234 ISOtech |
∼ |
∼ |
∼ |
tilde operator, =varies with, =similar to, U223C ISOtech |
≅ |
≅ |
≅ |
approximately equal to, U2245 ISOtech |
≅ |
≈ |
≅ |
almost equal to, =asymptotic to, U2248 ISOamsr |
≠ |
≠ |
≠ |
not equal to, U2260 ISOtech |
≡ |
≡ |
≡ |
identical to, U2261 ISOtech |
≤ |
≤ |
≤ |
less-than or equal to, U2264 ISOtech |
≥ |
≥ |
≥ |
greater-than or equal to, U2265 ISOtech |
⊂ |
⊂ |
⊂ |
subset of, U2282 ISOtech |
⊃ |
⊃ |
⊃ |
superset of, U2283 ISOtech |
⊄ |
⊄ |
⊄ |
not a subset of, U2284 ISOamsn |
⊆ |
⊆ |
⊆ |
subset of or equal to, U2286 ISOtech |
⊇ |
⊇ |
⊇ |
superset of or equal to, U2287 ISOtech |
⊕ |
⊕ |
⊕ |
circled plus, =direct sum, U2295 ISOamsb |
⊗ |
⊗ |
⊗ |
circled times, =vector product, U2297 ISOamsb |
⊥ |
⊥ |
⊥ |
up tack, =orthogonal to, =perpendicular, U22A5 ISOtech |
⋅ |
⋅ |
⋅ |
dot operator, U22C5 ISOamsb |
其他技术符号 Miscellaneous Technical |
⌈ |
⌈ |
⌈ |
left ceiling, =apl upstile, U2308, ISOamsc |
⌉ |
⌉ |
⌉ |
right ceiling, U2309, ISOamsc |
⌊ |
⌊ |
⌊ |
left floor, =apl downstile, U230A, ISOamsc |
⌋ |
⌋ |
⌋ |
right floor, U230B, ISOamsc |
〈 |
⟨ |
〈 |
left-pointing angle bracket, =bra, U2329 ISOtech |
〉 |
⟩ |
〉 |
right-pointing angle bracket, =ket, U232A ISOtech |
几何图形 Geometric Shapes |
◊ |
◊ |
◊ |
lozenge, U25CA ISOpub |
其他标记 Miscellaneous Symbols |
♠ |
♠ |
♠ |
black spade suit, U2660 ISOpub |
♣ |
♣ |
♣ |
black club suit, =shamrock, U2663 ISOpub |
♥ |
♥ |
♥ |
black heart suit, =valentine, U2665 ISOpub |
♦ |
♦ |
♦ |
black diamond suit, U2666 ISOpub |