Name Character Unicode code point (decimal) Standard DTD[1] Old ISO subset[2] Description[3] quot " U+0022 (34) HTML 2.0 HTMLspecial ISOnum quotation mark (= APL quote) amp & U+0026 (38) HTML 2.0 HTMLspecial ISOnum ampersand apos ' U+0027 (39) XHTML 1.0 HTMLspecial ISOnum apostrophe (= apostrophe-quote); see below lt < U+003C (60) HTML 2.0 HTMLspecial ISOnum less-than sign gt > U+003E (62) HTML 2.0 HTMLspecial ISOnum greater-than sign nbsp U+00A0 (160) HTML 3.2 HTMLlat1 ISOnum no-break space (= non-breaking space)[4] iexcl ¡ U+00A1 (161) HTML 3.2 HTMLlat1 ISOnum inverted exclamation mark cent ¢ U+00A2 (162) HTML 3.2 HTMLlat1 ISOnum cent sign pound £ U+00A3 (163) HTML 3.2 HTMLlat1 ISOnum pound sign curren ¤ U+00A4 (164) HTML 3.2 HTMLlat1 ISOnum currency sign yen ¥ U+00A5 (165) HTML 3.2 HTMLlat1 ISOnum yen sign (= yuan sign) brvbar ¦ U+00A6 (166) HTML 3.2 HTMLlat1 ISOnum broken bar (= broken vertical bar) sect § U+00A7 (167) HTML 3.2 HTMLlat1 ISOnum section sign uml ¨ U+00A8 (168) HTML 3.2 HTMLlat1 ISOdia diaeresis (= spacing diaeresis); see German umlaut copy © U+00A9 (169) HTML 3.2 HTMLlat1 ISOnum copyright sign ordf ª U+00AA (170) HTML 3.2 HTMLlat1 ISOnum feminine ordinal indicator laquo « U+00AB (171) HTML 3.2 HTMLlat1 ISOnum left-pointing double angle quotation mark (= left pointing guillemet) not ¬ U+00AC (172) HTML 3.2 HTMLlat1 ISOnum not sign shy U+00AD (173) HTML 3.2 HTMLlat1 ISOnum soft hyphen (= discretionary hyphen) reg ® U+00AE (174) HTML 3.2 HTMLlat1 ISOnum registered sign ( = registered trade mark sign) macr ¯ U+00AF (175) HTML 3.2 HTMLlat1 ISOdia macron (= spacing macron = overline = APL overbar) deg ° U+00B0 (176) HTML 3.2 HTMLlat1 ISOnum degree sign plusmn ± U+00B1 (177) HTML 3.2 HTMLlat1 ISOnum plus-minus sign (= plus-or-minus sign) sup2 ² U+00B2 (178) HTML 3.2 HTMLlat1 ISOnum superscript two (= superscript digit two = squared) sup3 ³ U+00B3 (179) HTML 3.2 HTMLlat1 ISOnum superscript three (= superscript digit three = cubed) acute ´ U+00B4 (180) HTML 3.2 HTMLlat1 ISOdia acute accent (= spacing acute) micro µ U+00B5 (181) HTML 3.2 HTMLlat1 ISOnum micro sign para ¶ U+00B6 (182) HTML 3.2 HTMLlat1 ISOnum pilcrow sign ( = paragraph sign) middot · U+00B7 (183) HTML 3.2 HTMLlat1 ISOnum middle dot (= Georgian comma = Greek middle dot) cedil ¸ U+00B8 (184) HTML 3.2 HTMLlat1 ISOdia cedilla (= spacing cedilla) sup1 ¹ U+00B9 (185) HTML 3.2 HTMLlat1 ISOnum superscript one (= superscript digit one) ordm º U+00BA (186) HTML 3.2 HTMLlat1 ISOnum masculine ordinal indicator raquo » U+00BB (187) HTML 3.2 HTMLlat1 ISOnum right-pointing double angle quotation mark (= right pointing guillemet) frac14 ¼ U+00BC (188) HTML 3.2 HTMLlat1 ISOnum vulgar fraction one quarter (= fraction one quarter) frac12 ½ U+00BD (189) HTML 3.2 HTMLlat1 ISOnum vulgar fraction one half (= fraction one half) frac34 ¾ U+00BE (190) HTML 3.2 HTMLlat1 ISOnum vulgar fraction three quarters (= fraction three quarters) iquest ¿ U+00BF (191) HTML 3.2 HTMLlat1 ISOnum inverted question mark (= turned question mark) Agrave À U+00C0 (192) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with grave (= Latin capital letter A grave) Aacute Á U+00C1 (193) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with acute Acirc  U+00C2 (194) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with circumflex Atilde à U+00C3 (195) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with tilde Auml Ä U+00C4 (196) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with diaeresis Aring Å U+00C5 (197) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with ring above (= Latin capital letter A ring) AElig Æ U+00C6 (198) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter AE (= Latin capital ligature AE) Ccedil Ç U+00C7 (199) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter C with cedilla Egrave È U+00C8 (200) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with grave Eacute É U+00C9 (201) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with acute Ecirc Ê U+00CA (202) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with circumflex Euml Ë U+00CB (203) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with diaeresis Igrave Ì U+00CC (204) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with grave Iacute Í U+00CD (205) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with acute Icirc Î U+00CE (206) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with circumflex Iuml Ï U+00CF (207) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with diaeresis ETH Ð U+00D0 (208) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter ETH Ntilde Ñ U+00D1 (209) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter N with tilde Ograve Ò U+00D2 (210) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with grave Oacute Ó U+00D3 (211) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with acute Ocirc Ô U+00D4 (212) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with circumflex Otilde Õ U+00D5 (213) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with tilde Ouml Ö U+00D6 (214) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with diaeresis times × U+00D7 (215) HTML 3.2 HTMLlat1 ISOnum multiplication sign Oslash Ø U+00D8 (216) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with stroke (= Latin capital letter O slash) Ugrave Ù U+00D9 (217) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with grave Uacute Ú U+00DA (218) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with acute Ucirc Û U+00DB (219) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with circumflex Uuml Ü U+00DC (220) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with diaeresis Yacute Ý U+00DD (221) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter Y with acute THORN Þ U+00DE (222) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter THORN szlig ß U+00DF (223) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter sharp s (= ess-zed); see German Eszett agrave à U+00E0 (224) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with grave aacute á U+00E1 (225) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with acute acirc â U+00E2 (226) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with circumflex atilde ã U+00E3 (227) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with tilde auml ä U+00E4 (228) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with diaeresis aring å U+00E5 (229) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with ring above aelig æ U+00E6 (230) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter ae (= Latin small ligature ae) ccedil ç U+00E7 (231) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter c with cedilla egrave è U+00E8 (232) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with grave eacute é U+00E9 (233) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with acute ecirc ê U+00EA (234) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with circumflex euml ë U+00EB (235) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with diaeresis igrave ì U+00EC (236) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with grave iacute í U+00ED (237) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with acute icirc î U+00EE (238) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with circumflex iuml ï U+00EF (239) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with diaeresis eth ð U+00F0 (240) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter eth ntilde ñ U+00F1 (241) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter n with tilde ograve ò U+00F2 (242) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with grave oacute ó U+00F3 (243) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with acute ocirc ô U+00F4 (244) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with circumflex otilde õ U+00F5 (245) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with tilde ouml ö U+00F6 (246) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with diaeresis divide ÷ U+00F7 (247) HTML 3.2 HTMLlat1 ISOnum division sign (= obelus) oslash ø U+00F8 (248) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with stroke (= Latin small letter o slash) ugrave ù U+00F9 (249) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with grave uacute ú U+00FA (250) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with acute ucirc û U+00FB (251) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with circumflex uuml ü U+00FC (252) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with diaeresis yacute ý U+00FD (253) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter y with acute thorn þ U+00FE (254) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter thorn yuml ÿ U+00FF (255) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter y with diaeresis OElig Œ U+0152 (338) HTML 4.0 HTMLspecial ISOlat2 Latin capital ligature oe[5] oelig œ U+0153 (339) HTML 4.0 HTMLspecial ISOlat2 Latin small ligature oe[6] Scaron Š U+0160 (352) HTML 4.0 HTMLspecial ISOlat2 Latin capital letter s with caron scaron š U+0161 (353) HTML 4.0 HTMLspecial ISOlat2 Latin small letter s with caron Yuml Ÿ U+0178 (376) HTML 4.0 HTMLspecial ISOlat2 Latin capital letter y with diaeresis fnof ƒ U+0192 (402) HTML 4.0 HTMLsymbol ISOtech Latin small letter f with hook (= function = florin) circ ˆ U+02C6 (710) HTML 4.0 HTMLspecial ISOpub modifier letter circumflex accent tilde ˜ U+02DC (732) HTML 4.0 HTMLspecial ISOdia small tilde Alpha Α U+0391 (913) HTML 4.0 HTMLsymbol Greek capital letter Alpha Beta Β U+0392 (914) HTML 4.0 HTMLsymbol Greek capital letter Beta Gamma Γ U+0393 (915) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Gamma Delta Δ U+0394 (916) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Delta Epsilon Ε U+0395 (917) HTML 4.0 HTMLsymbol Greek capital letter Epsilon Zeta Ζ U+0396 (918) HTML 4.0 HTMLsymbol Greek capital letter Zeta Eta Η U+0397 (919) HTML 4.0 HTMLsymbol Greek capital letter Eta Theta Θ U+0398 (920) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Theta Iota Ι U+0399 (921) HTML 4.0 HTMLsymbol Greek capital letter Iota Kappa Κ U+039A (922) HTML 4.0 HTMLsymbol Greek capital letter Kappa Lambda Λ U+039B (923) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Lambda Mu Μ U+039C (924) HTML 4.0 HTMLsymbol Greek capital letter Mu Nu Ν U+039D (925) HTML 4.0 HTMLsymbol Greek capital letter Nu Xi Ξ U+039E (926) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Xi Omicron Ο U+039F (927) HTML 4.0 HTMLsymbol Greek capital letter Omicron Pi Π U+03A0 (928) HTML 4.0 HTMLsymbol Greek capital letter Pi Rho Ρ U+03A1 (929) HTML 4.0 HTMLsymbol Greek capital letter Rho Sigma Σ U+03A3 (931) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Sigma Tau Τ U+03A4 (932) HTML 4.0 HTMLsymbol Greek capital letter Tau Upsilon Υ U+03A5 (933) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Upsilon Phi Φ U+03A6 (934) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Phi Chi Χ U+03A7 (935) HTML 4.0 HTMLsymbol Greek capital letter Chi Psi Ψ U+03A8 (936) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Psi Omega Ω U+03A9 (937) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Omega alpha α U+03B1 (945) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter alpha beta β U+03B2 (946) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter beta gamma γ U+03B3 (947) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter gamma delta δ U+03B4 (948) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter delta epsilon ε U+03B5 (949) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter epsilon zeta ζ U+03B6 (950) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter zeta eta η U+03B7 (951) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter eta theta θ U+03B8 (952) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter theta iota ι U+03B9 (953) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter iota kappa κ U+03BA (954) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter kappa lambda λ U+03BB (955) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter lambda mu μ U+03BC (956) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter mu nu ν U+03BD (957) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter nu xi ξ U+03BE (958) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter xi omicron ο U+03BF (959) HTML 4.0 HTMLsymbol NEW Greek small letter omicron pi π U+03C0 (960) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter pi rho ρ U+03C1 (961) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter rho sigmaf ς U+03C2 (962) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter final sigma sigma σ U+03C3 (963) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter sigma tau τ U+03C4 (964) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter tau upsilon υ U+03C5 (965) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter upsilon phi φ U+03C6 (966) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter phi chi χ U+03C7 (967) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter chi psi ψ U+03C8 (968) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter psi omega ω U+03C9 (969) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter omega thetasym ϑ U+03D1 (977) HTML 4.0 HTMLsymbol NEW Greek theta symbol upsih ϒ U+03D2 (978) HTML 4.0 HTMLsymbol NEW Greek Upsilon with hook symbol piv ϖ U+03D6 (982) HTML 4.0 HTMLsymbol ISOgrk3 Greek pi symbol ensp   U+2002 (8194) HTML 4.0 HTMLspecial ISOpub en space[7] emsp   U+2003 (8195) HTML 4.0 HTMLspecial ISOpub em space[8] thinsp   U+2009 (8201) HTML 4.0 HTMLspecial ISOpub thin space[9] zwnj U+200C (8204) HTML 4.0 HTMLspecial NEW RFC 2070 zero-width non-joiner zwj U+200D (8205) HTML 4.0 HTMLspecial NEW RFC 2070 zero-width joiner lrm U+200E (8206) HTML 4.0 HTMLspecial NEW RFC 2070 left-to-right mark rlm U+200F (8207) HTML 4.0 HTMLspecial NEW RFC 2070 right-to-left mark ndash – U+2013 (8211) HTML 4.0 HTMLspecial ISOpub en dash mdash — U+2014 (8212) HTML 4.0 HTMLspecial ISOpub em dash lsquo ‘ U+2018 (8216) HTML 4.0 HTMLspecial ISOnum left single quotation mark rsquo ’ U+2019 (8217) HTML 4.0 HTMLspecial ISOnum right single quotation mark sbquo ‚ U+201A (8218) HTML 4.0 HTMLspecial NEW single low-9 quotation mark ldquo “ U+201C (8220) HTML 4.0 HTMLspecial ISOnum left double quotation mark rdquo ” U+201D (8221) HTML 4.0 HTMLspecial ISOnum right double quotation mark bdquo „ U+201E (8222) HTML 4.0 HTMLspecial NEW double low-9 quotation mark dagger † U+2020 (8224) HTML 4.0 HTMLspecial ISOpub dagger, obelisk Dagger ‡ U+2021 (8225) HTML 4.0 HTMLspecial ISOpub double dagger, double obelisk bull • U+2022 (8226) HTML 4.0 HTMLspecial ISOpub bullet (= black small circle)[10] hellip … U+2026 (8230) HTML 4.0 HTMLsymbol ISOpub horizontal ellipsis (= three dot leader) permil ‰ U+2030 (8240) HTML 4.0 HTMLspecial ISOtech per mille sign prime ′ U+2032 (8242) HTML 4.0 HTMLsymbol ISOtech prime (= minutes = feet) Prime ″ U+2033 (8243) HTML 4.0 HTMLsymbol ISOtech double prime (= seconds = inches) lsaquo ‹ U+2039 (8249) HTML 4.0 HTMLspecial ISO proposed single left-pointing angle quotation mark[11] rsaquo › U+203A (8250) HTML 4.0 HTMLspecial ISO proposed single right-pointing angle quotation mark[12] oline ‾ U+203E (8254) HTML 4.0 HTMLsymbol NEW overline (= spacing overscore) frasl ⁄ U+2044 (8260) HTML 4.0 HTMLsymbol NEW fraction slash (= solidus) euro € U+20AC (8364) HTML 4.0 HTMLspecial NEW euro sign image ℑ U+2111 (8465) HTML 4.0 HTMLsymbol ISOamso black-letter capital I (= imaginary part) weierp ℘ U+2118 (8472) HTML 4.0 HTMLsymbol ISOamso script capital P (= power set = Weierstrass p) real ℜ U+211C (8476) HTML 4.0 HTMLsymbol ISOamso black-letter capital R (= real part symbol) trade ™ U+2122 (8482) HTML 4.0 HTMLsymbol ISOnum trademark sign alefsym ℵ U+2135 (8501) HTML 4.0 HTMLsymbol NEW alef symbol (= first transfinite cardinal)[13] larr ← U+2190 (8592) HTML 4.0 HTMLsymbol ISOnum leftwards arrow uarr ↑ U+2191 (8593) HTML 4.0 HTMLsymbol ISOnum upwards arrow rarr → U+2192 (8594) HTML 4.0 HTMLsymbol ISOnum rightwards arrow darr ↓ U+2193 (8595) HTML 4.0 HTMLsymbol ISOnum downwards arrow harr ↔ U+2194 (8596) HTML 4.0 HTMLsymbol ISOamsa left right arrow crarr ↵ U+21B5 (8629) HTML 4.0 HTMLsymbol NEW downwards arrow with corner leftwards (= carriage return) lArr ⇐ U+21D0 (8656) HTML 4.0 HTMLsymbol ISOtech leftwards double arrow[14] uArr ⇑ U+21D1 (8657) HTML 4.0 HTMLsymbol ISOamsa upwards double arrow rArr ⇒ U+21D2 (8658) HTML 4.0 HTMLsymbol ISOnum rightwards double arrow[15] dArr ⇓ U+21D3 (8659) HTML 4.0 HTMLsymbol ISOamsa downwards double arrow hArr ⇔ U+21D4 (8660) HTML 4.0 HTMLsymbol ISOamsa left right double arrow forall ∀ U+2200 (8704) HTML 4.0 HTMLsymbol ISOtech for all part ∂ U+2202 (8706) HTML 4.0 HTMLsymbol ISOtech partial differential exist ∃ U+2203 (8707) HTML 4.0 HTMLsymbol ISOtech there exists empty ∅ U+2205 (8709) HTML 4.0 HTMLsymbol ISOamso empty set (= null set = diameter) nabla ∇ U+2207 (8711) HTML 4.0 HTMLsymbol ISOtech nabla (= backward difference) isin ∈ U+2208 (8712) HTML 4.0 HTMLsymbol ISOtech element of notin ∉ U+2209 (8713) HTML 4.0 HTMLsymbol ISOtech not an element of ni ∋ U+220B (8715) HTML 4.0 HTMLsymbol ISOtech contains as member prod ∏ U+220F (8719) HTML 4.0 HTMLsymbol ISOamsb n-ary product (= product sign)[16] sum ∑ U+2211 (8721) HTML 4.0 HTMLsymbol ISOasmb n-ary summation[17] minus − U+2212 (8722) HTML 4.0 HTMLsymbol ISOtech minus sign lowast ∗ U+2217 (8727) HTML 4.0 HTMLsymbol ISOtech asterisk operator radic √ U+221A (8730) HTML 4.0 HTMLsymbol ISOtech square root (= radical sign) prop ∝ U+221D (8733) HTML 4.0 HTMLsymbol ISOtech proportional to infin ∞ U+221E (8734) HTML 4.0 HTMLsymbol ISOtech infinity ang ∠ U+2220 (8736) HTML 4.0 HTMLsymbol ISOamso angle and ∧ U+2227 (8743) HTML 4.0 HTMLsymbol ISOtech logical and (= wedge) or ∨ U+2228 (8744) HTML 4.0 HTMLsymbol ISOtech logical or (= vee) cap ∩ U+2229 (8745) HTML 4.0 HTMLsymbol ISOtech intersection (= cap) cup ∪ U+222A (8746) HTML 4.0 HTMLsymbol ISOtech union (= cup) int ∫ U+222B (8747) HTML 4.0 HTMLsymbol ISOtech integral there4 ∴ U+2234 (8756) HTML 4.0 HTMLsymbol ISOtech therefore sim ∼ U+223C (8764) HTML 4.0 HTMLsymbol ISOtech tilde operator (= varies with = similar to)[18] cong ≅ U+2245 (8773) HTML 4.0 HTMLsymbol ISOtech congruent to asymp ≈ U+2248 (8776) HTML 4.0 HTMLsymbol ISOamsr almost equal to (= asymptotic to) ne ≠ U+2260 (8800) HTML 4.0 HTMLsymbol ISOtech not equal to equiv ≡ U+2261 (8801) HTML 4.0 HTMLsymbol ISOtech identical to; sometimes used for 'equivalent to' le ≤ U+2264 (8804) HTML 4.0 HTMLsymbol ISOtech less-than or equal to ge ≥ U+2265 (8805) HTML 4.0 HTMLsymbol ISOtech greater-than or equal to sub ⊂ U+2282 (8834) HTML 4.0 HTMLsymbol ISOtech subset of sup ⊃ U+2283 (8835) HTML 4.0 HTMLsymbol ISOtech superset of[19] nsub ⊄ U+2284 (8836) HTML 4.0 HTMLsymbol ISOamsn not a subset of sube ⊆ U+2286 (8838) HTML 4.0 HTMLsymbol ISOtech subset of or equal to supe ⊇ U+2287 (8839) HTML 4.0 HTMLsymbol ISOtech superset of or equal to oplus ⊕ U+2295 (8853) HTML 4.0 HTMLsymbol ISOamsb circled plus (= direct sum) otimes ⊗ U+2297 (8855) HTML 4.0 HTMLsymbol ISOamsb circled times (= vector product) perp ⊥ U+22A5 (8869) HTML 4.0 HTMLsymbol ISOtech up tack (= orthogonal to = perpendicular)[20] sdot ⋅ U+22C5 (8901) HTML 4.0 HTMLsymbol ISOamsb dot operator[21] lceil ⌈ U+2308 (8968) HTML 4.0 HTMLsymbol ISOamsc left ceiling (= APL upstile) rceil ⌉ U+2309 (8969) HTML 4.0 HTMLsymbol ISOamsc right ceiling lfloor ⌊ U+230A (8970) HTML 4.0 HTMLsymbol ISOamsc left floor (= APL downstile) rfloor ⌋ U+230B (8971) HTML 4.0 HTMLsymbol ISOamsc right floor lang 〈 U+27E8 (10216) HTML 5.0 HTMLsymbol ISOtech mathematical left angle bracket (= bra)[22] rang 〉 U+27E9 (10217) HTML 5.0 HTMLsymbol ISOtech mathematical right angle bracket (= ket)[23] loz ◊ U+25CA (9674) HTML 4.0 HTMLsymbol ISOpub lozenge spades ♠ U+2660 (9824) HTML 4.0 HTMLsymbol ISOpub black spade suit[24] clubs ♣ U+2663 (9827) HTML 4.0 HTMLsymbol ISOpub black club suit (= shamrock)[25] hearts ♥ U+2665 (9829) HTML 4.0 HTMLsymbol ISOpub black heart suit (= valentine)[26] diams ♦ U+2666 (9830) HTML 4.0 HTMLsymbol ISOpub black diamond suit[27]