此备忘清单是 HTML 实体及其编号和名称的完整列表。还包括可以用 HTML 表示的 ASCII 字符的完整列表。
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
" |
" | " |
引号 | u+0022 ISOnum | \0022 | \42 |
# |
# | # |
数字符号 | u+0023 ISOnum | \0023 | \43 |
$ |
$ | $ |
美元符号 | u+0024 ISOnum | \0024 | \44 |
% |
% | % |
百分号 | u+0025 ISOnum | \0025 | \45 |
& |
& | & |
和号 | u+0026 ISOnum | \0026 | \46 |
' |
' | ' |
撇号 | u+0027 ISOnum | \0027 | \47 |
( |
( | ( |
左括号 | u+0028 ISOnum | \0028 | \50 |
) |
) | ) |
右括号 | u+0029 ISOnum | \0029 | \51 |
* |
* | * |
星号 | u+002A ISOnum | \002a | \52 |
+ |
+ | + |
加号 | u+002B ISOnum | \002b | \53 |
, |
, | , |
逗号 | u+002C ISOnum | \002c | \54 |
− |
- | - |
连字符减号 | u+002D ISOnum | \002d | \55 |
. |
. | . |
句号 | u+002E ISOnum | \002e | \56 |
/ |
/ | / |
固相线 | u+002F ISOnum | \002f | \57 |
: |
: | : |
冒号 | u+003A ISOnum | \003a | \72 |
; |
; | ; |
分号 | u+003B ISOnum | \003b | \73 |
< |
< | < |
少于 | u+003C ISOnum | \003c | \74 |
= |
= | = |
等于 | u+003D ISOnum | \003d | \75 |
> |
> | > |
大于号 | u+003E ISOnum | \003e | \76 |
? |
? | ? |
问号 | u+003F ISOnum | \003f | \77 |
@ |
@ | @ |
在标志处 | u+0040 ISOnum | \0040 | \100 |
[ |
[ | [ |
左方括号 | u+005B ISOnum | \005b | \133 |
\ |
\ | \ |
反斜杠 | u+005C ISOnum | \005c | \134 |
] |
] | ] |
右方括号 | u+005D ISOnum | \005d | \135 |
^ |
^ | ^ |
抑扬顿挫 | u+005E ISOnum | \005e | \136 |
_ |
_ | _ |
低线 | u+005F ISOnum | \005f | \137 |
` |
` | ` |
重音 | u+0060 ISOnum | \0060 | \u0060 |
{ |
{ | { |
左大括号 | u+007b ISOnum | \007b | \173 |
| |
| | | |
竖线 | u+007c ISOnum | \007c | \174 |
} |
} | } |
右大括号 | u+007d ISOnum | \007d | \175 |
~ | ~ |
波浪号 | u+007e ISOnum | \007e | \176 |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
|
  |
no-break space | %A0 | \00a0 | \240 | |
¡ |
¡ | ¡ |
inverted exclamation mark | %A1 | \00a1 | \241 |
¢ |
¢ | ¢ |
cent sign | %A2 | \00a2 | \242 |
£ |
£ | £ |
pound sterling sign | %A3 | \00a3 | \243 |
¤ |
¤ | ¤ |
general currency sign | %A4 | \00a4 | \244 |
¥ |
¥ | ¥ |
yen sign | %A5 | \00a5 | \245 |
₹ |
₹ | ₹ |
Indian Rupee (INR) sign | U+20B9 | \20B9 | \u20B9 |
¦ |
¦ | ¦ |
broken (vertical) bar | %A6 | \00a6 | \246 |
§ |
§ | § |
section sign | %A7 | \00a7 | \247 |
¨ |
¨ | ¨ |
umlaut (dieresis) | %A8 | \00a8 | \250 |
© |
© | © |
copyright sign | %A9 | \00a9 | \251 |
ª |
ª | ª |
ordinal indicator, feminine | %AA | \00aa | \252 |
« |
« | « |
angle quotation mark, left | %AB | \00ab | \253 |
¬ |
¬ | ¬ |
not sign | %AC | \00ac | \254 |
­ |
| ­ |
soft hyphen | %AD | \00ad | \255 |
® |
® | ® |
registered sign | %AE | \00ae | \256 |
¯ |
¯ | ¯ |
macron | %AF | \00af | \257 |
° |
° | ° |
degree sign | %B0 | \00b0 | \260 |
± |
± | ± |
plus-or-minus sign | %B1 | \00b1 | \261 |
² |
² | ² |
superscript two | %B2 | \00b2 | \262 |
³ |
³ | ³ |
superscript three | %B3 | \00b3 | \263 |
´ |
´ | ´ |
acute accent | %B4 | \00b4 | \264 |
µ |
µ | µ |
micro sign | %B5 | \00b5 | \265 |
¶ |
¶ | ¶ |
pilcrow (paragraph sign) | %B6 | \00b6 | \266 |
· |
· | · |
middle dot | %B7 | \00b7 | \267 |
¸ |
¸ | ¸ |
cedilla | %B8 | \00b8 | \270 |
¹ |
¹ | ¹ |
superscript one | %B9 | \00b9 | \271 |
º |
º | º |
ordinal indicator, masculine | %BA | \00ba | \272 |
» |
» | » |
angle quotation mark, right | %BB | \00bb | \273 |
¼ |
¼ | ¼ |
fraction one-quarter | %BC | \00bc | \274 |
½ |
½ | ½ |
fraction one-half | %BD | \00bd | \275 |
¾ |
¾ | ¾ |
fraction three-quarters | %BE | \00be | \276 |
¿ |
¿ | ¿ |
inverted question mark | %BF | \00bf | \277 |
À |
À | À |
capital A, grave accent | %C0 | \00c0 | \300 |
Á |
Á | Á |
capital A, acute accent | %C1 | \00c1 | \301 |
 |
 |  ; |
capital A, circumflex accent | %C2 | \00c2 | \302 |
à |
à | à |
capital A, tilde | %C3 | \00c3 | \303 |
Ä |
Ä | Ä |
capital A, dieresis or umlaut mark | %C4 | \00c4 | \304 |
Å |
Å | Å |
capital A, ring | %C5 | \00c5 | \305 |
Æ |
Æ | Æ |
capital AE diphthong (ligature) | %C6 | \00c6 | \306 |
Ç |
Ç | Ç |
capital C, cedilla | %C7 | \00c7 | \307 |
È |
È | È |
capital E, grave accent | %C8 | \00c8 | \310 |
É |
É | É |
capital E, acute accent | %C9 | \00c9 | \311 |
Ê |
Ê | Ê |
capital E, circumflex accent | %CA | \00ca | \312 |
Ë |
Ë | Ë |
capital E, dieresis or umlaut mark | %CB | \00cb | \313 |
Ì |
Ì | Ì |
capital I, grave accent | %CC | \00cc | \314 |
Í |
Í | Í |
capital I, acute accent | %CD | \00cd | \315 |
Î |
Î | Î |
capital I, circumflex accent | %CE | \00ce | \316 |
Ï |
Ï | Ï |
capital I, dieresis or umlaut mark | %CF | \00cf | \317 |
Ð |
Ð | Ð |
capital Eth, Icelandic | %D0 | \00d0 | \320 |
Ñ |
Ñ | Ñ |
capital N, tilde | %D1 | \00d1 | \321 |
Ò |
Ò | Ò |
capital O, grave accent | %D2 | \00d2 | \322 |
Ó |
Ó | Ó |
capital O, acute accent | %D3 | \00d3 | \323 |
Ô |
Ô | Ô |
capital O, circumflex accent | %D4 | \00d4 | \324 |
Õ |
Õ | Õ |
capital O, tilde | %D5 | \00d5 | \325 |
Ö |
Ö | Ö |
capital O, dieresis or umlaut mark | %D6 | \00d6 | \326 |
× |
× | × |
multiply sign | %D7 | \00d7 | \327 |
Ø |
Ø | Ø |
capital O, slash | %D8 | \00d8 | \330 |
Ù |
Ù | Ù |
capital U, grave accent | %D9 | \00d9 | \331 |
Ú |
Ú | Ú |
capital U, acute accent | %DA | \00da | \332 |
Û |
Û | Û |
capital U, circumflex accent | %DB | \00db | \333 |
Ü |
Ü | Ü |
capital U, dieresis or umlaut mark | %DC | \00dc | \334 |
Ý |
Ý | Ý |
capital Y, acute accent | %DD | \00dd | \335 |
Þ |
Þ | Þ |
capital THORN, Icelandic | %DE | \00de | \336 |
ß |
ß | ß |
small sharp s, German (sz ligature) | %DF | \00df | \337 |
à |
à | à |
small a, grave accent | %E0 | \00e0 | \340 |
á |
á | á |
small a, acute accent | %E1 | \00e1 | \341 |
â |
â | â |
small a, circumflex accent | %E2 | \00e2 | \342 |
ã |
ã | ã |
small a, tilde | %E3 | \00e3 | \343 |
ä |
ä | ä |
small a, dieresis or umlaut mark | %E4 | \00e4 | \344 |
å |
å | å |
small a, ring | %E5 | \00e5 | \345 |
æ |
æ | æ |
small ae diphthong (ligature) | %E6 | \00e6 | \346 |
ç |
ç | ç |
small c, cedilla | %E7 | \00e7 | \347 |
è |
è | è |
small e, grave accent | %E8 | \00e8 | \350 |
é |
é | é |
small e, acute accent | %E9 | \00e9 | \351 |
ê |
ê | ê |
small e, circumflex accent | %EA | \00ea | \352 |
ë |
ë | ë |
small e, dieresis or umlaut mark | %EB | \00eb | \353 |
ì |
ì | ì |
small i, grave accent | %EC | \00ec | \354 |
í |
í | í |
small i, acute accent | %ED | \00ed | \355 |
î |
î | î |
small i, circumflex accent | %EE | \00ee | \356 |
ï |
ï | ï |
small i, dieresis or umlaut mark | %EF | \00ef | \357 |
ð |
ð | ð |
small eth, Icelandic | %F0 | \00f0 | \360 |
ñ |
ñ | ñ |
small n, tilde | %F1 | \00f1 | \361 |
ò |
ò | ò |
small o, grave accent | %F2 | \00f2 | \362 |
ó |
ó | ó |
small o, acute accent | %F3 | \00f3 | \363 |
ô |
ô | ô |
small o, circumflex accent | %F4 | \00f4 | \364 |
õ |
õ | õ |
small o, tilde | %F5 | \00f5 | \365 |
ö |
ö | ö |
small o, dieresis or umlaut mark | %F6 | \00f6 | \366 |
÷ |
÷ | ÷ |
divide sign | %F7 | \00f7 | \367 |
ø |
ø | ø |
small o, slash | %F8 | \00f8 | \370 |
ù |
ù | ù |
small u, grave accent | %F9 | \00f9 | \371 |
ú |
ú | ú |
small u, acute accent | %FA | \00fa | \372 |
û |
û | û |
small u, circumflex accent | %FB | \00fb | \373 |
ü |
ü | ü |
small u, dieresis or umlaut mark | %FC | \00fc | \374 |
ý |
ý | ý |
small y, acute accent | %FD | \00fd | \375 |
þ |
þ | þ |
small thorn, Icelandic | %FE | \00fe | \376 |
ÿ |
ÿ | ÿ |
small y, dieresis or umlaut mark | %FF | \00ff | \377 |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
Œ |
Œ | Œ |
latin capital ligature oe | u+0152 ISOlat2 | \0152 | \u0152 |
œ |
œ | œ |
latin small ligature oe | u+0153 ISOlat2 | \0153 | \u0153 |
Š |
Š | Š |
latin capital letter s with caron | u+0160 ISOlat2 | \0160 | \u0160 |
š |
š | š |
latin small letter s with caron | u+0161 ISOlat2 | \0161 | \u0161 |
Ÿ |
Ÿ | Ÿ |
latin capital letter y with diaeresis | u+0178 ISOlat2 | \0178 | \u0178 |
ƒ |
ƒ | ƒ |
latin small f with hook | u+0192 ISOtech | \0192 | \u0192 |
HTML | Symbol | Numeric | Description | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
ˆ |
ˆ | modifier letter circumflex accent | u+02C6 ISOpub | \02c6 | \u02c6 | |
˜ |
˜ | small tilde | u+02DC ISOdia | \02dc | \u02dc |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
Α |
Α | Α |
greek capital letter alpha | u+0391 | \0391 | \u0391 |
Β |
Β | Β |
greek capital letter beta | u+0392 | \0392 | \u0392 |
Γ |
Γ | Γ |
greek capital letter gamma | u+0393 ISOgrk3 | \0393 | \u0395 |
Δ |
Δ | Δ |
greek capital letter delta | u+0394 ISOgrk3 | \0394 | \u0394 |
Ε |
Ε | Ε |
greek capital letter epsilon | u+0395 | \0395 | \u0395 |
Ζ |
Ζ | Ζ |
greek capital letter zeta | u+0396 | \0396 | \u0396 |
Η |
Η | Η |
greek capital letter eta | u+0397 | \0397 | \u0397 |
Θ |
Θ | Θ |
greek capital letter theta | u+0398 ISOgrk3 | \0398 | \u0398 |
Ι |
Ι | Ι |
greek capital letter iota | u+0399 | \0399 | \u0399 |
Κ |
Κ | Κ |
greek capital letter kappa | u+039A | \039a | \u039a |
Λ |
Λ | Λ |
greek capital letter lambda | u+039B ISOgrk3 | \039b | \u039b |
Μ |
Μ | Μ |
greek capital letter mu | u+039C | \039c | \u039c |
Ν |
Ν | Ν |
greek capital letter nu | u+039D | \039d | \u039D |
Ξ |
Ξ | Ξ |
greek capital letter xi | u+039E ISOgrk3 | \039e | \u039e |
Ο |
Ο | Ο |
greek capital letter omicron | u+039F | \039f | \u039f |
Π |
Π | Π |
greek capital letter pi | u+03A0 ISOgrk3 | \03a0 | \u03a0 |
Ρ |
Ρ | Ρ |
greek capital letter rho | u+03A1 | \03a1 | \u03a1 |
Σ |
Σ | Σ |
greek capital letter sigma | u+03A3 ISOgrk3 | \03a3 | \u03A3 |
Τ |
Τ | Τ |
greek capital letter tau | u+03A4 | \03a4 | \u03A4 |
Υ |
Υ | Υ |
greek capital letter upsilon | u+03A5 ISOgrk3 | \03a5 | \u03A5 |
Φ |
Φ | Φ |
greek capital letter phi | u+03A6 ISOgrk3 | \03a6 | \u03A6 |
Χ |
Χ | Χ |
greek capital letter chi | u+03A7 | \03a7 | \u03A7 |
Ψ |
Ψ | Ψ |
greek capital letter psi | u+03A8 ISOgrk3 | \03a8 | \u03A8 |
Ω |
Ω | Ω |
greek capital letter omega | u+03A9 ISOgrk3 | \03a9 | \u03A9 |
α |
α | α |
greek small letter alpha | u+03B1 ISOgrk3 | \03b1 | \u03b1 |
β |
β | β |
greek small letter beta | u+03B2 ISOgrk3 | \03b2 | \u03b2 |
γ |
γ | γ |
greek small letter gamma | u+03B3 ISOgrk3 | \03b3 | \u03b3 |
δ |
δ | δ |
greek small letter delta | u+03B4 ISOgrk3 | \03b4 | \u03b4 |
ε |
ε | ε |
greek small letter epsilon | u+03B5 ISOgrk3 | \03b5 | \u03b5 |
ζ |
ζ | ζ |
greek small letter zeta | u+03B6 ISOgrk3 | \03b6 | \u03b6 |
η |
η | η |
greek small letter eta | u+03B7 ISOgrk3 | \03b7 | \u03b7 |
θ |
θ | θ |
greek small letter theta | u+03B8 ISOgrk3 | \03b8 | \u03b8 |
ι |
ι | ι |
greek small letter iota | u+03B9 ISOgrk3 | \03b9 | \u03b9 |
κ |
κ | κ |
greek small letter kappa | u+03BA ISOgrk3 | \03ba | \u03ba |
λ |
λ | λ |
greek small letter lambda | u+03BB ISOgrk3 | \03bb | \u03bb |
μ |
μ | μ |
greek small letter mu | u+03BC ISOgrk3 | \03bc | \u03bc |
ν |
ν | ν |
greek small letter nu | u+03BD ISOgrk3 | \03bd | \u03bd |
ξ |
ξ | ξ |
greek small letter xi | u+03BE ISOgrk3 | \03be | \u03be |
ο |
ο | ο |
greek small letter omicron | u+03BF NEW | \03bf | \u03bf |
π |
π | π |
greek small letter pi | u+03C0 ISOgrk3 | \03c0 | \u03c0 |
ρ |
ρ | ρ |
greek small letter rho | u+03C1 ISOgrk3 | \03c1 | \u03c1 |
ς |
ς | ς |
greek small letter final sigma | u+03C2 ISOgrk3 | \03C2 | \u03c2 |
σ |
σ | σ |
greek small letter sigma | u+03C3 ISOgrk3 | \03C3 | \u03c3 |
τ |
τ | τ |
greek small letter tau | u+03C4 ISOgrk3 | \03C4 | \u03c4 |
υ |
υ | υ |
greek small letter upsilon | u+03C5 ISOgrk3 | \03C5 | \u03c5 |
φ |
φ | φ |
greek small letter phi | u+03C6 ISOgrk3 | \03C6 | \03c6 |
χ |
χ | χ |
greek small letter chi | u+03C7 ISOgrk3 | \03C7 | \u03c7 |
ψ |
ψ | ψ |
greek small letter psi | u+03C8 ISOgrk3 | \03C8 | \u03c8 |
ω |
ω | ω |
greek small letter omega | u+03C9 ISOgrk3 | \03C9 | \u03c9 |
ϑ |
ϑ | ϑ |
greek small letter theta symbol | u+03D1 NEW | \03D1 | \u03D1 |
ϒ |
ϒ | ϒ |
greek upsilon with hook symbol | u+03D2 NEW | \03D2 | \u03D2 |
ϖ |
ϖ | ϖ |
greek pi symbol | u+03D6 ISOgrk3 | \03D6 | \u03D6 |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
  |
  |
en space | u+2002 ISOpub | \2002 | \u2002 | |
  |
  |
em space | u+2003 ISOpub | \2003 | \u2003 | |
  |
  |
thin space | u+2009 ISOpub | \2009 | \u2009 | |
‌ |
| ‌ |
zero width non-joiner | u+200C NEW RFC 2070 | \200C | \u200C |
‍ |
| ‍ |
zero width joiner | u+200D NEW RFC 2070 | \200D | \u200d |
‎ |
| ‎ |
left-to-right mark | u+200E NEW RFC 2070 | \200E | \u200e |
‏ |
| ‏ |
right-to-left mark | u+200F NEW RFC 2070 | \200F | \u200f |
– |
– | – |
en dash | u+2013 ISOpub | \2013 | \u2013 |
— |
— | — |
em dash | u+2014 ISOpub | \2014 | \u2014 |
‘ |
‘ | ‘ |
left single quotation mark | u+2018 ISOnum | \2018 | \u2018 |
’ |
’ | ’ |
right single quotation mark | u+2019 ISOnum | \2019 | \u2019 |
‚ |
‚ | ‚ |
single low-9 quotation mark | u+201A NEW | \201A | \u201a |
“ |
“ | “ |
left double quotation mark | u+201C ISOnum | \201C | \u201c |
” |
” | ” |
right double quotation mark | u+201D ISOnum | \201D | \u201d |
„ |
„ | „ |
double low-9 quotation mark | u+201E NEW | \201E | \u201e |
† |
† | † |
dagger | u+2020 ISOpub | \2020 | \u2020 |
‡ |
‡ | ‡ |
double dagger | u+2021 ISOpub | \2021 | \u2021 |
‰ |
‰ | ‰ |
per mille sign | u+2030 ISOtech | \2030 | \u2030 |
‹ |
‹ | ‹ |
single left-pointing angle quotation mark | u+2039 ISO proposed | \2039 | \u2039 |
› |
› | › |
single right-pointing angle quotation mark | u+203A ISO proposed | \203A | \u203a |
• |
• | • |
bullet, aka. black small circle | u+2022 ISOpub | \2022 | \u2219 |
… |
… | … |
horizontal ellipsis, aka three dot leader | u+2026 ISOpub | \2026 | \u2026 |
′ |
′ | ′ |
prime, aka minutes, aka feet | u+2032 ISOtech | \2032 | \u2032 |
″ |
″ | ″ |
double prime, aka seconds, aka inches | u+2033 ISOtech | \2033 | \u2033 |
‾ |
‾ | ‾ |
overline, aka spacing overscore | u+203E NEW | \203E | \u203e |
⁄ |
⁄ | ⁄ |
fraction slash | u+2044 NEW | \2044 | \u8260 |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
℘ |
℘ | ℘ |
script capital P, aka power set, aka Weierstrass p | u+2118 ISOamso | \2118 | \u2118 |
ℑ |
ℑ | ℑ |
blackletter capital I, aka imaginary part | u+2111 ISOamso | \2111 | \u2111 |
ℜ |
ℜ | ℜ |
blackletter capital R, aka real part symbol | u+211C ISOamso | \211C | \u211c |
™ |
™ | ™ |
trade mark sign | u+2122 ISOnum | \2122 | \u2122 |
ℵ |
ℵ | ℵ |
alef symbol | u+2135 NEW | \2135 | \u |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
← |
← | ← |
leftwards arrow | u+2190 ISOnum | \2190 | \u2190 |
↑ |
↑ | ↑ |
upwards arrow | u+2191 ISOnum | \2191 | \u2191 |
→ |
→ | → |
rightwards arrow | u+2192 ISOnum | \2192 | \u2192 |
↓ |
↓ | ↓ |
downwards arrow | u+2193 ISOnum | \2193 | \u2193 |
↔ |
↔ | ↔ |
left right arrow | u+2194 ISOamsa | \2194 | \u2194 |
↵ |
↵ | ↵ |
downwards arrow with corner leftwards, aka carriage return | u+21B5 NEW | \21B5 | \u21b5 |
⇐ |
⇐ | ⇐ |
leftwards double arrow can be used for ‘is implied by’ | u+21D0 ISOtech | \21D0 | \u21d0 |
⇑ |
⇑ | ⇑ |
upwards double arrow | u+21D1 ISOamsa | \21D1 | \u21d1 |
⇒ |
⇒ | ⇒ |
rightwards double arrow | u+21D2 ISOtech | \21D2 | \u21d2 |
⇓ |
⇓ | ⇓ |
downwards double arrow | u+21D3 ISOamsa | \21D3 | \ud1d3 |
⇔ |
⇔ | ⇔ |
left right double arrow | u+21D4 ISOamsa | \21D4 | \u21d4 |
◄ | ◄ |
black left pointing triangle | U+25C0 | \25C0 | \u25c0 | |
► | ► |
black right pointing triangle | u+25B6 | \25b6 | \u25b6 | |
▲ | ▲ |
black up pointing triangle | u+25B2 | \25b2 | \25b2 | |
▼ | ▼ |
black down pointing triangle | u+25BC | \25bc | \25bc |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
∀ |
∀ | ∀ |
for all | u+2200 ISOtech | \2200 | \u2200 |
∂ |
∂ | ∂ |
partial differential | u+2202 ISOtech | \2202 | \u2202 |
∃ |
∃ | ∃ |
there exists | u+2203 ISOtech | \2203 | \u2203 |
∅ |
∅ | ∅ |
empty set, aka null set, aka diameter | u+2205 ISOamso | \2205 | \u2205 |
∇ |
∇ | ∇ |
nabla, aka bakad difference | u+2207 ISOtech | \2207 | \u2207 |
∈ |
∈ | ∈ |
element of | u+2208 ISOtech | \2208 | \u2208 |
∉ |
∉ | ∉ |
not an element of | u+2209 ISOtech | \2209 | \u2209 |
∋ |
∋ | ∋ |
contains as member | u+220B ISOtech | \220B | \u220b |
∏ |
∏ | ∏ |
n-ary product, aka product sign | u+220F ISOamsb | \220F | \u03a0 |
∑ |
∑ | ∑ |
n-ary sumation | u+2211 ISOamsb | \2211 | \u03a3 |
− |
− | − |
minus sign | u+2212 ISOtech | \2212 | \u2212 |
∗ |
∗ | ∗ |
asterisk operator | u+2217 ISOtech | \2217 | \u2217 |
√ |
√ | √ |
square root, aka radical sign | u+221A ISOtech | \221A | \u221a |
∝ |
∝ | ∝ |
proportional to | u+221D ISOtech | \221D | \u221d |
∞ |
∞ | ∞ |
infinity | u+221E ISOtech | \221E | \u221e |
∠ |
∠ | ∠ |
angle | u+2220 ISOamso | \2220 | \u2220 |
∧ |
⊥ | ⊥ |
logical and, aka wedge | u+2227 ISOtech | \2227 | \u2227 |
∨ |
⊦ | ⊦ |
logical or, aka vee | u+2228 ISOtech | \2228 | \u2228 |
∩ |
∩ | ∩ |
intersection, aka cap | u+2229 ISOtech | \2229 | \u2229 |
∪ |
∪ | ∪ |
union, aka cup | u+222A ISOtech | \222A | \u222a |
∫ |
∫ | ∫ |
integral | u+222B ISOtech | \222B | \u222b |
∴ |
∴ | ∴ |
therefore | u+2234 ISOtech | \2234 | \u2234 |
∼ |
∼ | ∼ |
tilde | u+223C ISOtech | \223C | \u223c |
≅ |
≅ | ≅ |
approximately equal to | u+2245 ISOtech | \2245 | \u2245 |
≈ |
≈ | ≈ |
almost equal to, aka asymptotic to | u+2248 ISOamsr | \2248 | \u2248 |
≠ |
≠ | ≠ |
not equal to | u+2260 ISOtech | \2260 | \u2260 |
≡ |
≡ | ≡ |
identical to | u+2261 ISOtech | \2261 | \u2261 |
≤ |
≤ | ≤ |
less-than or equal to | u+2264 ISOtech | \2264 | \u2264 |
≥ |
≥ | ≥ |
greater-than or equal to | u+2265 ISOtech | \2265 | \u2265 |
⊂ |
⊂ | ⊂ |
subset of | u+2282 ISOtech | \2282 | \u2282 |
⊃ |
⊃ | ⊃ |
superset of | u+2283 ISOtech | \2283 | \u2283 |
⊄ |
⊄ | ⊄ |
not a subset of | u+2284 ISOamsn | \2284 | \u2284 |
⊆ |
⊆ | ⊆ |
subset of or equal to | u+2286 ISOtech | \2286 | \u2286 |
⊇ |
⊇ | ⊇ |
superset of or equal to | u+2287 ISOtech | \2287 | \u2287 |
⊕ |
⊕ | ⊕ |
circled plus, aka direct sum | u+2295 ISOamsb | \2295 | \u2295 |
⊗ |
⊗ | ⊗ |
circled times, aka vector product | u+2297 ISOamsb | \2297 | \u2297 |
⊥ |
⊥ | ⊥ |
up tack | u+22A5 ISOtech | \22A5 | \u22a5 |
⋅ |
⋅ | ⋅ |
dot operator | u+22C5 ISOamsb | \22C5 | \u22c5 |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
⌈ |
⌈ | ⌈ |
left ceiling, aka apl upstile | u+2308 ISOamsc | \2308 | \u2308 |
⌉ |
⌉ | ⌉ |
right ceiling | u+2309 ISOamsc | \2309 | \u2309 |
⌊ |
⌊ | ⌊ |
left floor, aka apl downstile | u+230A ISOamsc | \230A | \u230a |
⌋ |
⌋ | ⌋ |
right floor | u+230B ISOamsc | \230B | \u230b |
⟨ |
〈 | 〈 |
left-pointing angle bracket | u+2329 ISOtech | \2329 | \u2329 |
⟩ |
〉 | 〉 |
right-pointing angle bracket | u+232A ISOtech | \232A | \u232a |
HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
---|---|---|---|---|---|---|
◊ |
◊ | ◊ |
菱形 | u+25CA ISOpub | \25CA | \u25ca |
♠ |
♠ | ♠ |
黑桃 | u+2660 ISOpub | \2660 | \u2660 |
♣ |
♣ | ♣ |
梅花 | u+2663 ISOpub | \2663 | \u2663 |
♥ |
♥ | ♥ |
黑心套装,又名情人节 | u+2665 ISOpub | \2665 | \u2665 |
♦ |
♦ | ♦ |
方块 | u+2666 ISOpub | \2666 | \u2666 |