特殊的ASCII码对应的字符

Special Characters

" " " quotation mark u+0022 ISOnum p:before { content:"022"; } alert("42")
& & & ampersand u+0026 ISOnum p:before { content:"026"; } alert("46")
&lt; &#60; < less-than sign u+003C ISOnum p:before { content:"03c"; } alert("74");
&gt; &#62; > greater-than sign u+003E ISOnum p:before { content:"03e"; } alert("76");

#Latin-1 entity set for HTML

Name NumericDescriptionHexISO in CSS contentOctal
&nbsp;   &#160; no-break space %A0 p:before { content:"0a0"; } alert("240");
&iexcl; ¡ &#161; inverted exclamation mark %A1 p:before { content:"0a1"; } alert("241");
&cent; ¢ &#162; cent sign %A2 p:before { content:"0a2"; } alert("242");
&pound; £ &#163; pound sterling sign %A3 p:before { content:"0a3"; } alert("243");
&curren; ¤ &#164; general currency sign %A4 p:before { content:"0a4"; } alert("244");
&yen; ¥ &#165; yen sign %A5 p:before { content:"0a5"; } alert("245");
&brvbar; ¦ &#166; broken (vertical) bar %A6 p:before { content:"0a6"; } alert("246");
&sect; § &#167; section sign %A7 p:before { content:"0a7"; } alert("247");
&uml; ¨ &#168; umlaut (dieresis) %A8 p:before { content:"0a8"; } alert("250");
&copy; © &#169; copyright sign %A9 p:before { content:"0a9"; } alert("251");
&ordf; ª &#170; ordinal indicator, feminine %AA p:before { content:"0aa"; } alert("252");
&laquo; « &#171; angle quotation mark, left %AB p:before { content:"0ab"; } alert("253");
&not; ¬ &#172; not sign %AC p:before { content:"0ac"; } alert("254");
&shy;   &#173; soft hyphen %AD p:before { content:"0ad"; } alert("255");
&reg; ® &#174; registered sign %AE p:before { content:"0ae"; } alert("256");
&macr; ¯ &#175; macron %AF p:before { content:"0af"; } alert("257");
&deg; ° &#176; degree sign %B0 p:before { content:"0b0"; } alert("260");
&plusmn; ± &#177; plus-or-minus sign %B1 p:before { content:"0b1"; } alert("261");
&sup2; ² &#178; superscript two %B2 p:before { content:"0b2"; } alert("262");
&sup3; ³ &#179; superscript three %B3 p:before { content:"0b3"; } alert("263");
&acute; ´ &#180; acute accent %B4 p:before { content:"0b4"; } alert("264");
&micro; µ &#181; micro sign %B5 p:before { content:"0b5"; } alert("265");
&para; &#182; pilcrow (paragraph sign) %B6 p:before { content:"0b6"; } alert("266");
&middot; · &#183; middle dot %B7 p:before { content:"0b7"; } alert("267");
&cedil; ¸ &#184; cedilla %B8 p:before { content:"0b8"; } alert("270");
&sup1; ¹ &#185; superscript one %B9 p:before { content:"0b9"; } alert("271");
&ordm; º &#186; ordinal indicator, masculine %BA p:before { content:"0ba"; } alert("272");
&raquo; » &#187; angle quotation mark, right %BB p:before { content:"0bb"; } alert("273");
&frac14; ¼ &#188; fraction one-quarter %BC p:before { content:"0bc"; } alert("274");
&frac12; ½ &#189; fraction one-half %BD p:before { content:"0bd"; } alert("275");
&frac34; ¾ &#190; fraction three-quarters %BE p:before { content:"0be"; } alert("276");
&iquest; ¿ &#191; inverted question mark %BF p:before { content:"0bf"; } alert("277");
&Agrave; À &#192; capital A, grave accent %C0 p:before { content:"0c0"; } alert("300");
&Aacute; Á &#193; capital A, acute accent %C1 p:before { content:"0c1"; } alert("301");
&Acirc; Â &#194; capital A, circumflex accent %C2 p:before { content:"0c2"; } alert("302");
&Atilde; Ã &#195; capital A, tilde %C3 p:before { content:"0c3"; } alert("303");
&Auml; Ä &#196; capital A, dieresis or umlaut mark %C4 p:before { content:"0c4"; } alert("304");
&Aring; Å &#197; capital A, ring %C5 p:before { content:"0c5"; } alert("305");
&AElig; Æ &#198; capital AE diphthong (ligature) %C6 p:before { content:"0c6"; } alert("306");
&Ccedil; Ç &#199; capital C, cedilla %C7 p:before { content:"0c7"; } alert("307");
&Egrave; È &#200; capital E, grave accent %C8 p:before { content:"0c8"; } alert("310");
&Eacute; É &#201; capital E, acute accent %C9 p:before { content:"0c9"; } alert("311");
&Ecirc; Ê &#202; capital E, circumflex accent %CA p:before { content:"0ca"; } alert("312");
&Euml; Ë &#203; capital E, dieresis or umlaut mark %CB p:before { content:"0cb"; } alert("313");
&Igrave; Ì &#204; capital I, grave accent %CC p:before { content:"0cc"; } alert("314");
&Iacute; Í &#205; capital I, acute accent %CD p:before { content:"0cd"; } alert("315");
&Icirc; Î &#206; capital I, circumflex accent %CE p:before { content:"0ce"; } alert("316");
&Iuml; Ï &#207; capital I, dieresis or umlaut mark %CF p:before { content:"0cf"; } alert("317");
&ETH; Ð &#208; capital Eth, Icelandic %D0 p:before { content:"0d0"; } alert("320");
&Ntilde; Ñ &#209; capital N, tilde %D1 p:before { content:"0d1"; } alert("321");
&Ograve; Ò &#210; capital O, grave accent %D2 p:before { content:"0d2"; } alert("322");
&Oacute; Ó &#211; capital O, acute accent %D3 p:before { content:"0d3"; } alert("323");
&Ocirc; Ô &#212; capital O, circumflex accent %D4 p:before { content:"0d4"; } alert("324");
&Otilde; Õ &#213; capital O, tilde %D5 p:before { content:"0d5"; } alert("325");
&Ouml; Ö &#214; capital O, dieresis or umlaut mark %D6 p:before { content:"0d6"; } alert("326");
&times; × &#215; multiply sign %D7 p:before { content:"0d7"; } alert("327");
&Oslash; Ø &#216;

capital O, slash

%D8 p:before { content:"0d8"; } alert("330");
&Ugrave; Ù &#217; capital U, grave accent %D9 p:before { content:"0d9"; } alert("331");
&Uacute; Ú &#218; capital U, acute accent %DA p:before { content:"0da"; } alert("332");
&Ucirc; Û &#219; capital U, circumflex accent %DB p:before { content:"0db"; } alert("333");
&Uuml; Ü &#220; capital U, dieresis or umlaut mark %DC p:before { content:"0dc"; } alert("334");
&Yacute; Ý &#221; capital Y, acute accent %DD p:before { content:"0dd"; } alert("335");
&THORN; Þ &#222; capital THORN, Icelandic %DE p:before { content:"0de"; } alert("336");
&szlig; ß &#223; small sharp s, German (sz ligature) %DF p:before { content:"0df"; } alert("337");
&agrave; à &#224; small a, grave accent %E0 p:before { content:"0e0"; } alert("340");
&aacute; á &#225; small a, acute accent %E1 p:before { content:"0e1"; } alert("341");
&acirc; â &#226; small a, circumflex accent %E2 p:before { content:"0e2"; } alert("342");
&atilde; ã &#227; small a, tilde %E3 p:before { content:"0e3"; } alert("343");
&auml; ä &#228; small a, dieresis or umlaut mark %E4 p:before { content:"0e4"; } alert("344");
&aring; å &#229; small a, ring %E5 p:before { content:"0e5"; } alert("345");
&aelig; æ &#230; small ae diphthong (ligature) %E6 p:before { content:"0e6"; } alert("346");
&ccedil; ç &#231; small c, cedilla %E7 p:before { content:"0e7"; } alert("347");
&egrave; è &#232; small e, grave accent %E8 p:before { content:"0e8"; } alert("350");
&eacute; é &#233; small e, acute accent %E9 p:before { content:"0e9"; } alert("351");
&ecirc; ê &#234; small e, circumflex accent %EA p:before { content:"0ea"; } alert("352");
&euml; ë &#235; small e, dieresis or umlaut mark %EB p:before { content:"0eb"; } alert("353");
&igrave; ì &#236; small i, grave accent %EC p:before { content:"0ec"; } alert("354");
&iacute; í &#237; small i, acute accent %ED p:before { content:"0ed"; } alert("355");
&icirc; î &#238; small i, circumflex accent %EE p:before { content:"0ee"; } alert("356");
&iuml; ï &#239; small i, dieresis or umlaut mark %EF p:before { content:"0ef"; } alert("357");
&eth; ð &#240; small eth, Icelandic %F0 p:before { content:"0f0"; } alert("360");
&ntilde; ñ &#241; small n, tilde %F1 p:before { content:"0f1"; } alert("361");
&ograve; ò &#242; small o, grave accent %F2 p:before { content:"0f2"; } alert("362");
&oacute; ó &#243; small o, acute accent %F3 p:before { content:"0f3"; } alert("363");
&ocirc; ô &#244; small o, circumflex accent %F4 p:before { content:"0f4"; } alert("364");
&otilde; õ &#245; small o, tilde %F5 p:before { content:"0f5"; } alert("365");
&ouml; ö &#246; small o, dieresis or umlaut mark %F6 p:before { content:"0f6"; } alert("366");
&divide; ÷ &#247; divide sign %F7 p:before { content:"0f7"; } alert("367");
&oslash; ø &#248; small o, slash %F8 p:before { content:"0f8"; } alert("370");
&ugrave; ù &#249; small u, grave accent %F9 p:before { content:"0f9"; } alert("371");
&uacute; ú &#250; small u, acute accent %FA p:before { content:"0fa"; } alert("372");
&ucirc; û &#251; small u, circumflex accent %FB p:before { content:"0fb"; } alert("373");
&uuml; ü &#252; small u, dieresis or umlaut mark %FC p:before { content:"0fc"; } alert("374");
&yacute; ý &#253; small y, acute accent %FD p:before { content:"0fd"; } alert("375");
&thorn; þ &#254; small thorn, Icelandic %FE p:before { content:"0fe"; } alert("376");
&yuml; ÿ &#255; small y, dieresis or umlaut mark %FF p:before { content:"0ff"; } alert("377");

#Latin Extended-A

&OElig; Π&#338; latin capital ligature oe u+0152 ISOlat2 p:before { content:"152"; } alert("u0152");
&oelig; œ &#339; latin small ligature oe
(ligature is a misnomer, this is a separate character in some languages)
u+0153 ISOlat2 p:before { content:"153"; } alert("u0153");
&Scaron; Š &#352; latin capital letter s with caron u+0160 ISOlat2 p:before { content:"160"; } alert("u0160");
&scaron; š &#353; latin small letter s with caron u+0161 ISOlat2 p:before { content:"161"; } alert("u0161");
&Yuml; Ÿ &#376; latin capital letter y with diaeresis u+0178 ISOlat2 p:before { content:"178"; } alert("u0178");

#Latin Extended-B

&fnof; ƒ &#402; latin small f with hook, a.k.a. function, a.k.a. florin u+0192 ISOtech p:before { content:"192"; } alert("u0192");

#Spacing Modifier Letters

&circ; ˆ modifier letter circumflex accent u+02C6 ISOpub p:before { content:"2c6"; } alert("u02c6");
&tilde; ˜ small tilde u+02DC ISOdia p:before { content:"2dc"; } alert("u02dc");

Greek

&Alpha; Α &#913; greek capital letter alpha u+0391 p:before { content:"391"; } alert("u0391");
&Beta; Β &#914; greek capital letter beta u+0392 p:before { content:"392"; } alert("u0392");
&Gamma; Γ &#915; greek capital letter gamma u+0393 ISOgrk3 p:before { content:"393"; } alert("u0395");
&Delta; Δ &#916; greek capital letter delta u+0394 ISOgrk3 p:before { content:"394"; } alert("u0394");
&Epsilon; Ε &#917; greek capital letter epsilon u+0395 p:before { content:"395"; } alert("u0395");
&Zeta; Ζ &#918; greek capital letter zeta u+0396 p:before { content:"396"; } alert("u0396");
&Eta ; Η &#919; greek capital letter eta u+0397 p:before { content:"397"; } alert("u0397");
&Theta; Θ &#920; greek capital letter theta u+0398 ISOgrk3 p:before { content:"398"; } alert("u0398");
&Iota; Ι &#921; greek capital letter iota u+0399 p:before { content:"399"; } alert("u0399");
&Kappa; Κ &#922; greek capital letter kappa u+039A p:before { content:"39a"; } alert("u039a");
&Lambda; Λ &#923; greek capital letter lambda u+039B ISOgrk3 p:before { content:"39b"; } alert("u039b");
&Mu ; Μ &#924; greek capital letter mu u+039C p:before { content:"39c"; } alert("u039c");
&Nu ; Ν &#925; greek capital letter nu u+039D p:before { content:"39d"; } alert("u039D");
&Xi ; Ξ &#926; greek capital letter xi u+039E ISOgrk3 p:before { content:"39e"; } alert("u039e");
&Omicron; Ο &#927; greek capital letter omicron u+039F p:before { content:"39f"; } alert("u039f");
&Pi ; Π &#928; greek capital letter pi u+03A0 ISOgrk3 p:before { content:"3a0"; } alert("u03a0");
&Rho ; Ρ &#929; greek capital letter rho u+03A1 p:before { content:"3a1"; } alert("u03a1");
there is no Sigmaf, and no u+03A2 character either)
&Sigma; Σ &#931; greek capital letter sigma u+03A3 ISOgrk3 p:before { content:"3a3"; } alert("u03A3");
&Tau ; Τ &#932; greek capital letter tau u+03A4 p:before { content:"3a4"; } alert("u03A4");
&Upsilon; Υ &#933; greek capital letter upsilon u+03A5 ISOgrk3 p:before { content:"3a5"; } alert("u03A5");
&Phi ; Φ &#934; greek capital letter phi u+03A6 ISOgrk3 p:before { content:"3a6"; } alert("u03A6");
&Chi ; Χ &#935; greek capital letter chi u+03A7 p:before { content:"3a7"; } alert("u03A7");
&Psi ; Ψ &#936; greek capital letter psi u+03A8 ISOgrk3 p:before { content:"3a8"; } alert("u03A8");
&Omega; Ω &#937; greek capital letter omega u+03A9 ISOgrk3 p:before { content:"3a9"; } alert("u03A9");
&alpha; α &#945; greek small letter alpha u+03B1 ISOgrk3 p:before { content:"3b1"; } alert("u03b1");
&beta; β &#946; greek small letter beta u+03B2 ISOgrk3 p:before { content:"3b2"; } alert("u03b2");
&gamma; γ &#947; greek small letter gamma u+03B3 ISOgrk3 p:before { content:"3b3"; } alert("u03b3");
&delta; δ &#948; greek small letter delta u+03B4 ISOgrk3 p:before { content:"3b4"; } alert("u03b4");
&epsilon; ε &#949; greek small letter epsilon u+03B5 ISOgrk3 p:before { content:"3b5"; } alert("u03b5");
&zeta; ζ &#950; greek small letter zeta u+03B6 ISOgrk3 p:before { content:"3b6"; } alert("u03b6");
&eta ; η &#951; greek small letter eta u+03B7 ISOgrk3 p:before { content:"3b7"; } alert("u03b7");
&theta; θ &#952; greek small letter theta u+03B8 ISOgrk3 p:before { content:"3b8"; } alert("u03b8");
&iota; ι &#953; greek small letter iota u+03B9 ISOgrk3 p:before { content:"3b9"; } alert("u03b9");
&kappa; κ &#954; greek small letter kappa u+03BA ISOgrk3 p:before { content:"3ba"; } alert("u03ba");
&lambda; λ &#955; greek small letter lambda u+03BB ISOgrk3 p:before { content:"3bb"; } alert("u03bb");
&mu ; μ &#956; greek small letter mu u+03BC ISOgrk3 p:before { content:"3bc"; } alert("u03bc");
&nu ; ν &#957; greek small letter nu u+03BD ISOgrk3 p:before { content:"3bd"; } alert("u03bd");
&xi ; ξ &#958; greek small letter xi u+03BE ISOgrk3 p:before { content:"3be"; } alert("u03be");
&omicron; ο &#959; greek small letter omicron u+03BF NEW p:before { content:"3bf"; } alert("u03bf");
&pi ; π &#960; greek small letter pi u+03C0 ISOgrk3 p:before { content:"3c0"; } alert("u03c0");
&rho ; ρ &#961; greek small letter rho u+03C1 ISOgrk3 p:before { content:"3c1"; } alert("u03c1");
&sigmaf; ς &#962; greek small letter final sigma u+03C2 ISOgrk3 p:before { content:"3C2"; } alert("u03c2");
&sigma; σ &#963; greek small letter sigma u+03C3 ISOgrk3 p:before { content:"3C3"; } alert("u03c3");
&tau ; τ &#964; greek small letter tau u+03C4 ISOgrk3 p:before { content:"3C4"; } alert("u03c4");
&upsilon; υ &#965; greek small letter upsilon u+03C5 ISOgrk3 p:before { content:"3C5"; } alert("u03c5");
&phi ; φ &#966; greek small letter phi u+03C6 ISOgrk3 p:before { content:"3C6"; } alert("3c6");
&chi ; χ &#967; greek small letter chi u+03C7 ISOgrk3 p:before { content:"3C7"; } alert("u03c7");
&psi ; ψ &#968; greek small letter psi u+03C8 ISOgrk3 p:before { content:"3C8"; } alert("u03c8");
&omega; ω &#969; greek small letter omega u+03C9 ISOgrk3 p:before { content:"3C9"; } alert("u03c9");
&thetasym; ϑ &#977; greek small letter theta symbol u+03D1 NEW p:before { content:"3D1"; } alert("u03D1");
&upsih; ϒ &#978; greek upsilon with hook symbol u+03D2 NEW p:before { content:"3D2"; } alert("u03D2");
&piv ; ϖ &#982; greek pi symbol u+03D6 ISOgrk3 p:before { content:"3D6"; } alert("u03D6");

Punctuation

&ensp; &#8194; en space u+2002 ISOpub p:before { content:"2002";} alert("u2002");
&emsp; &#8195; em space u+2003 ISOpub p:before { content:"2003";} alert("u2003");
&thinsp; &#8201; thin space u+2009 ISOpub p:before { content:"2009";} alert("u2009");
&zwnj; &#8204; zero width non-joiner u+200C NEW RFC 2070 p:before { content:"200C";} alert("u200C");
&zwj; &#8205; zero width joiner u+200D NEW RFC 2070 p:before { content:"200D";} alert("u200d");
&lrm; &#8206; left-to-right mark u+200E NEW RFC 2070 p:before { content:"200E";} alert("u200e");
&rlm; &#8207; right-to-left mark u+200F NEW RFC 2070 p:before { content:"200F";} alert("u200f");
&ndash; &#8211; en dash u+2013 ISOpub p:before { content:"2013";} alert("u2013");
&mdash; &#8212; em dash u+2014 ISOpub p:before { content:"2014";} alert("u2014");
&lsquo; &#8216; left single quotation mark u+2018 ISOnum p:before { content:"2018";} alert("u2018");
&rsquo; &#8217; right single quotation mark u+2019 ISOnum p:before { content:"2019";} alert("u2019");
&sbquo; &#8218; single low-9 quotation mark u+201A NEW p:before { content:"201A";} alert("u201a");
&ldquo; &#8220; left double quotation mark u+201C ISOnum p:before { content:"201C";} alert("u201c");
&rdquo; &#8221; right double quotation mark u+201D ISOnum p:before { content:"201D";} alert("u201d");
&bdquo; &#8222; double low-9 quotation mark u+201E NEW p:before { content:"201E";} alert("u201e");
&dagger; &#8224; dagger u+2020 ISOpub p:before { content:"2020";} alert("u2020");
&Dagger; &#8225; double dagger u+2021 ISOpub p:before { content:"2021";} alert("u2021");
&permil; &#8240; per mille sign u+2030 ISOtech p:before { content:"2030";} alert("u2030");
&lsaquo; &#8249; single left-pointing angle quotation mark
(lsaquo is proposed but not yet ISO standardised)
u+2039 ISO proposed p:before { content:"2039";} alert("u2039");
&rsaquo; &#8250; single right-pointing angle quotation mark
rsaquo is proposed but not yet ISO standardised
u+203A ISO proposed p:before { content:"203A";} alert("u203a");

General Punctuation

&bull; &#8226; bullet, a.k.a. black small circle
bullet is NOT the same as bullet operator — u+2219
u+2022 ISOpub alert("u2219");
&hellip; &#8230; horizontal ellipsis, a.k.a. three dot leader u+2026 ISOpub alert("u2026");
&prime; &#8242; prime, a.k.a. minutes, a.k.a. feet u+2032 ISOtech alert("u2032");
&Prime; &#8243; double prime, a.k.a. seconds, a.k.a. inches u+2033 ISOtech alert("u2033");
&oline; &#8254; overline, a.k.a. spacing overscore u+203E NEW alert("u203e");
&frasl; &#8260; fraction slash u+2044 NEW alert("u8260");

Letterlike Symbols

&weierp; &#8472; script capital P, a.k.a. power set, a.k.a. Weierstrass p u+2118 ISOamso alert("u2118");
&image; &#8465; blackletter capital I, a.k.a. imaginary part u+2111 ISOamso alert("u2111");
&real; &#8476; blackletter capital R, a.k.a. real part symbol u+211C ISOamso alert("u211c");
&trade; &#8482; trade mark sign u+2122 ISOnum alert("u2122");
&alefsym; &#8501; alef symbol, a.k.a. first transfinite cardinal
alef symbol is NOT the same as hebrew letter alef — u+05D0 although the same glyph
could be used to depict both characters
u+2135 NEW alert("u");

Arrows

&larr; &#8592; leftwards arrow u+2190 ISOnum alert("u2190");
&uarr; &#8593; upwards arrow u+2191 ISOnum alert("u2191");
&rarr; &#8594; rightwards arrow u+2192 ISOnum alert("u2192");
&darr; &#8595; downwards arrow u+2193 ISOnum alert("u2193");
&harr; &#8596; left right arrow u+2194 ISOamsa alert("u2194");
&crarr; &#8629; downwards arrow with corner leftwards, a.k.a. carriage return u+21B5 NEW alert("u21b5");
&lArr; &#8656; leftwards double arrow
can be used for ‘is implied by’
u+21D0 ISOtech alert("u21d0");
&uArr; &#8657; upwards double arrow u+21D1 ISOamsa alert("u21d1");
&rArr; &#8658; rightwards double arrow u+21D2 ISOtech alert("u21d2");
&dArr; &#8659; downwards double arrow u+21D3 ISOamsa alert("ud1d3");
&hArr; &#8660; left right double arrow u+21D4 ISOamsa alert("u21d4");

Mathematical Operators

&forall; &#8704; for all u+2200 ISOtech alert("u2200");
&part; &#8706; partial differential u+2202 ISOtech alert("u2202");
&exist; &#8707; there exists u+2203 ISOtech alert("u2203");
&empty; &#8709; empty set, a.k.a. null set, a.k.a. diameter u+2205 ISOamso alert("u2205");
&nabla; &#8711; nabla, a.k.a. backward difference u+2207 ISOtech alert("u2207");
&isin; &#8712; element of u+2208 ISOtech alert("u2208");
&notin; &#8713; not an element of u+2209 ISOtech alert("u2209");
&ni ; &#8715; contains as member u+220B ISOtech alert("u220b");
&prod; &#8719; n-ary product, a.k.a. product sign
prod is NOT the same character as u+03A0 ‘greek capital letter pi’ though the same
glyph might be used for both
u+220F ISOamsb alert("u03a0");
&sum ; &#8721; n-ary sumation
sum is NOT the same character as u+03A3 ‘greek capital letter sigma’ though the same
glyph might be used for both
u+2211 ISOamsb alert("u03a3");
&minus; &#8722; minus sign u+2212 ISOtech alert("u2212");
&lowast; &#8727; asterisk operator u+2217 ISOtech alert("u2217");
&radic; &#8730; square root, a.k.a. radical sign u+221A ISOtech alert("u221a");
&prop; &#8733; proportional to u+221D ISOtech alert("u221d");
&infin; &#8734; infinity u+221E ISOtech alert("u221e");
&ang ; &#8736; angle u+2220 ISOamso alert("u2220");
&and ; &#8869; logical and, a.k.a. wedge u+2227 ISOtech alert("u2227");
&or ; &#8870; logical or, a.k.a. vee u+2228 ISOtech alert("u2228");
&cap ; &#8745; intersection, a.k.a. cap u+2229 ISOtech alert("u2229");
&cup ; &#8746; union, a.k.a. cup u+222A ISOtech alert("u222a");
&int ; &#8747; integral u+222B ISOtech alert("u222b");
&there4; &#8756; therefore u+2234 ISOtech alert("u2234");
&sim ; &#8764; tilde operator, a.k.a. varies with, 
similar to tilde operator, but is NOT the same character as the tilde u+007E, 
although the same glyph might be used to represent both
u+223C ISOtech alert("u223c");
&cong; &#8773; approximately equal to u+2245 ISOtech alert("u2245");
&asymp; &#8776; almost equal to, a.k.a. asymptotic to u+2248 ISOamsr alert("u2248");
&ne ; &#8800; not equal to u+2260 ISOtech alert("u2260");
&equiv; &#8801; identical to u+2261 ISOtech alert("u2261");
&le ; &#8804; less-than or equal to u+2264 ISOtech alert("u2264");
&ge ; &#8805; greater-than or equal to u+2265 ISOtech alert("u2265");
&sub ; &#8834; subset of u+2282 ISOtech alert("u2282");
&sup ; &#8835; superset of
note that nsup, ‘not a superset of u+2283′ is not covered by the Symbol font
encoding and is not included.
u+2283 ISOtech alert("u2283");
&nsub; &#8836; not a subset of u+2284 ISOamsn alert("u2284");
&sube; &#8838; subset of or equal to u+2286 ISOtech alert("u2286");
&supe; &#8839; superset of or equal to u+2287 ISOtech alert("u2287");
&oplus; &#8853; circled plus, a.k.a. direct sum u+2295 ISOamsb alert("u2295");
&otimes; &#8855; circled times, a.k.a. vector product u+2297 ISOamsb alert("u2297");
&perp; &#8869; up tack, a.k.a. orthogonal to, a.k.a. perpendicular u+22A5 ISOtech alert("u22a5");
&sdot; &#8901; dot operator
dot operator is NOT the same character as u+00B7 middle dot
u+22C5 ISOamsb alert("u22c5");

Miscellaneous Technical

&lceil; &#8968; left ceiling, a.k.a. apl upstile u+2308, ISOamsc alert("u2308");
&rceil; &#8969; right ceiling u+2309, ISOamsc alert("u2309");
&lfloor; &#8970; left floor, a.k.a. apl downstile u+230A, ISOamsc alert("u230a");
&rfloor; &#8971; right floor u+230B, ISOamsc alert("u230b");
&lang; &#9001; left-pointing angle bracket, a.k.a. bra
lang is NOT the same character as u+003C ‘less than’
or u+2039 ’single left-pointing angle quotation mark’
u+2329 ISOtech alert("u2329");
&rang; &#9002; right-pointing angle bracket, a.k.a. ket
rang is NOT the same character as u+003E ‘greater than’
or u+203A ’single right-pointing angle quotation mark’
u+232A ISOtech alert("u232a");

Geometric Shapes

&loz ; &#9674; lozenge u+25CA ISOpub alert("u25ca");

Miscellaneous Symbols

&spades; &#9824; black spade suit u+2660 ISOpub alert("u2660");
&clubs; &#9827; black club suit, a.k.a. shamrock u+2663 ISOpub alert("u2663");
&hearts; &#9829; black heart suit, a.k.a. valentine u+2665 ISOpub alert("u2665");
&diams; &#9830; black diamond suit u+2666 ISOpub alert("u2666");

 

原文地址:https://www.cnblogs.com/zzsdream/p/5802254.html