Name Character Unicode code point (decimal) Standard Description
quot " U+0022 (34) XML 1.0 double quotation mark
amp & U+0026 (38) XML 1.0 ampersand
apos ' U+0027 (39) XML 1.0 apostrophe (apostrophe-quote)
lt < U+003C (60) XML 1.0 less-than sign
gt > U+003E (62) XML 1.0 greater-than sign
Name Character Unicode code point (decimal) Standard DTD[a] Old ISO subset[b] Description[c]
Aacute Á U+00C1 (193) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with acute accent
aacute á U+00E1 (225) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with acute accent
Acirc  U+00C2 (194) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with circumflex
acirc â U+00E2 (226) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with circumflex
acute ´ U+00B4 (180) HTML 3.2 HTMLlat1 ISOdia acute accent (spacing acute)
AElig Æ U+00C6 (198) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter AE (Latin capital ligature AE)
aelig æ U+00E6 (230) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter ae (Latin small ligature ae)
Agrave À U+00C0 (192) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with grave accent (Latin capital letter A grave)
agrave à U+00E0 (224) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with grave accent
alefsym ℵ U+2135 (8501) HTML 4.0 HTMLsymbol NEW alef symbol (first transfinite cardinal)[h]
Alpha Α U+0391 (913) HTML 4.0 HTMLsymbol   Greek capital letter Alpha
alpha α U+03B1 (945) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter alpha
amp & U+0026 (38) HTML 2.0 HTMLspecial ISOnum ampersand
and ∧ U+2227 (8743) HTML 4.0 HTMLsymbol ISOtech logical and (wedge)
ang ∠ U+2220 (8736) HTML 4.0 HTMLsymbol ISOamso angle
apos ' U+0027 (39) XHTML 1.0 HTMLspecial ISOnum apostrophe (apostrophe-quote); see below
Aring Å U+00C5 (197) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with ring above (Latin capital letter A ring)
aring å U+00E5 (229) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with ring above
asymp ≈ U+2248 (8776) HTML 4.0 HTMLsymbol ISOamsr almost equal to (asymptotic to)
Atilde à U+00C3 (195) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with tilde
atilde ã U+00E3 (227) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with tilde
Auml Ä U+00C4 (196) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter A with diaeresis
auml ä U+00E4 (228) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter a with diaeresis
bdquo „ U+201E (8222) HTML 4.0 HTMLspecial NEW double low-9 quotation mark
Beta Β U+0392 (914) HTML 4.0 HTMLsymbol   Greek capital letter Beta
beta β U+03B2 (946) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter beta
brvbar ¦ U+00A6 (166) HTML 3.2 HTMLlat1 ISOnum broken bar (broken vertical bar)
bull • U+2022 (8226) HTML 4.0 HTMLspecial ISOpub bullet (black small circle)[f]
cap ∩ U+2229 (8745) HTML 4.0 HTMLsymbol ISOtech intersection (cap)
Ccedil Ç U+00C7 (199) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter C with cedilla
ccedil ç U+00E7 (231) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter c with cedilla
cedil ¸ U+00B8 (184) HTML 3.2 HTMLlat1 ISOdia cedilla (spacing cedilla)
cent ¢ U+00A2 (162) HTML 3.2 HTMLlat1 ISOnum cent sign
Chi Χ U+03A7 (935) HTML 4.0 HTMLsymbol   Greek capital letter Chi
chi χ U+03C7 (967) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter chi
circ ˆ U+02C6 (710) HTML 4.0 HTMLspecial ISOpub modifier letter circumflex accent
clubs ♣ U+2663 (9827) HTML 4.0 HTMLsymbol ISOpub black club suit (shamrock)[f]
cong ≅ U+2245 (8773) HTML 4.0 HTMLsymbol ISOtech congruent to
copy © U+00A9 (169) HTML 3.2 HTMLlat1 ISOnum copyright symbol
crarr ↵ U+21B5 (8629) HTML 4.0 HTMLsymbol NEW downwards arrow with corner leftwards (carriage return)
cup ∪ U+222A (8746) HTML 4.0 HTMLsymbol ISOtech union (cup)
curren ¤ U+00A4 (164) HTML 3.2 HTMLlat1 ISOnum currency sign
dagger † U+2020 (8224) HTML 4.0 HTMLspecial ISOpub dagger, obelisk
Dagger ‡ U+2021 (8225) HTML 4.0 HTMLspecial ISOpub double dagger, double obelisk
darr ↓ U+2193 (8595) HTML 4.0 HTMLsymbol ISOnum downwards arrow
dArr ⇓ U+21D3 (8659) HTML 4.0 HTMLsymbol ISOamsa downwards double arrow
deg ° U+00B0 (176) HTML 3.2 HTMLlat1 ISOnum degree symbol
Delta Δ U+0394 (916) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Delta
delta δ U+03B4 (948) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter delta
diams ♦ U+2666 (9830) HTML 4.0 HTMLsymbol ISOpub black diamond suit[f]
divide ÷ U+00F7 (247) HTML 3.2 HTMLlat1 ISOnum division sign (obelus)
Eacute É U+00C9 (201) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with acute accent
eacute é U+00E9 (233) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with acute accent
Ecirc Ê U+00CA (202) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with circumflex
ecirc ê U+00EA (234) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with circumflex
Egrave È U+00C8 (200) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with grave accent
egrave è U+00E8 (232) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with grave accent
empty ∅ U+2205 (8709) HTML 4.0 HTMLsymbol ISOamso empty set (null set); see also U+8960, ⌀
emsp   U+2003 (8195) HTML 4.0 HTMLspecial ISOpub em space[d]
ensp   U+2002 (8194) HTML 4.0 HTMLspecial ISOpub en space[d]
Epsilon Ε U+0395 (917) HTML 4.0 HTMLsymbol   Greek capital letter Epsilon
epsilon ε U+03B5 (949) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter epsilon
equiv ≡ U+2261 (8801) HTML 4.0 HTMLsymbol ISOtech identical to; sometimes used for 'equivalent to'
Eta Η U+0397 (919) HTML 4.0 HTMLsymbol   Greek capital letter Eta
eta η U+03B7 (951) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter eta
ETH Ð U+00D0 (208) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter Eth
eth ð U+00F0 (240) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter eth
Euml Ë U+00CB (203) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter E with diaeresis
euml ë U+00EB (235) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter e with diaeresis
euro € U+20AC (8364) HTML 4.0 HTMLspecial NEW euro sign
exist ∃ U+2203 (8707) HTML 4.0 HTMLsymbol ISOtech there exists
fnof ƒ U+0192 (402) HTML 4.0 HTMLsymbol ISOtech Latin small letter f with hook (function, florin)
forall ∀ U+2200 (8704) HTML 4.0 HTMLsymbol ISOtech for all
frac12 ½ U+00BD (189) HTML 3.2 HTMLlat1 ISOnum vulgar fraction one half (fraction one half)
frac14 ¼ U+00BC (188) HTML 3.2 HTMLlat1 ISOnum vulgar fraction one quarter (fraction one quarter)
frac34 ¾ U+00BE (190) HTML 3.2 HTMLlat1 ISOnum vulgar fraction three quarters (fraction three quarters)
frasl ⁄ U+2044 (8260) HTML 4.0 HTMLsymbol NEW fraction slash (solidus)
Gamma Γ U+0393 (915) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Gamma
gamma γ U+03B3 (947) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter gamma
ge ≥ U+2265 (8805) HTML 4.0 HTMLsymbol ISOtech greater-than or equal to
gt > U+003E (62) HTML 2.0 HTMLspecial ISOnum greater-than sign
harr ↔ U+2194 (8596) HTML 4.0 HTMLsymbol ISOamsa left right arrow
hArr ⇔ U+21D4 (8660) HTML 4.0 HTMLsymbol ISOamsa left right double arrow
hearts ♥ U+2665 (9829) HTML 4.0 HTMLsymbol ISOpub black heart suit (valentine)[f]
hellip … U+2026 (8230) HTML 4.0 HTMLsymbol ISOpub horizontal ellipsis (three dot leader)
Iacute Í U+00CD (205) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with acute accent
iacute í U+00ED (237) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with acute accent
Icirc Î U+00CE (206) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with circumflex
icirc î U+00EE (238) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with circumflex
iexcl ¡ U+00A1 (161) HTML 3.2 HTMLlat1 ISOnum inverted exclamation mark
Igrave Ì U+00CC (204) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with grave accent
igrave ì U+00EC (236) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with grave accent
image ℑ U+2111 (8465) HTML 4.0 HTMLsymbol ISOamso black-letter capital I (imaginary part)
infin ∞ U+221E (8734) HTML 4.0 HTMLsymbol ISOtech infinity
int ∫ U+222B (8747) HTML 4.0 HTMLsymbol ISOtech integral
Iota Ι U+0399 (921) HTML 4.0 HTMLsymbol   Greek capital letter Iota
iota ι U+03B9 (953) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter iota
iquest ¿ U+00BF (191) HTML 3.2 HTMLlat1 ISOnum inverted question mark (turned question mark)
isin ∈ U+2208 (8712) HTML 4.0 HTMLsymbol ISOtech element of
Iuml Ï U+00CF (207) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter I with diaeresis
iuml ï U+00EF (239) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter i with diaeresis
Kappa Κ U+039A (922) HTML 4.0 HTMLsymbol   Greek capital letter Kappa
kappa κ U+03BA (954) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter kappa
Lambda Λ U+039B (923) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Lambda
lambda λ U+03BB (955) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter lambda
lang ⟨ U+2329 (9001) HTML 4.0 HTMLsymbol ISOtech left-pointing angle bracket (bra)[q]
laquo « U+00AB (171) HTML 3.2 HTMLlat1 ISOnum left-pointing double angle quotation mark (left pointingguillemet)
larr ← U+2190 (8592) HTML 4.0 HTMLsymbol ISOnum leftwards arrow
lArr ⇐ U+21D0 (8656) HTML 4.0 HTMLsymbol ISOtech leftwards double arrow[i]
lceil ⌈ U+2308 (8968) HTML 4.0 HTMLsymbol ISOamsc left ceiling (APL upstile)
ldquo “ U+201C (8220) HTML 4.0 HTMLspecial ISOnum left double quotation mark
le ≤ U+2264 (8804) HTML 4.0 HTMLsymbol ISOtech less-than or equal to
lfloor ⌊ U+230A (8970) HTML 4.0 HTMLsymbol ISOamsc left floor (APL downstile)
lowast ∗ U+2217 (8727) HTML 4.0 HTMLsymbol ISOtech asterisk operator
loz ◊ U+25CA (9674) HTML 4.0 HTMLsymbol ISOpub lozenge
lrm   U+200E (8206) HTML 4.0 HTMLspecial NEW RFC 2070 left-to-right mark
lsaquo ‹ U+2039 (8249) HTML 4.0 HTMLspecial ISO proposed single left-pointing angle quotation mark[g]
lsquo ‘ U+2018 (8216) HTML 4.0 HTMLspecial ISOnum left single quotation mark
lt < U+003C (60) HTML 2.0 HTMLspecial ISOnum less-than sign
macr ¯ U+00AF (175) HTML 3.2 HTMLlat1 ISOdia macron (spacing macron, overline, APL overbar)
mdash — U+2014 (8212) HTML 4.0 HTMLspecial ISOpub em dash
micro µ U+00B5 (181) HTML 3.2 HTMLlat1 ISOnum micro sign
middot · U+00B7 (183) HTML 3.2 HTMLlat1 ISOnum middle dot (Georgian comma, Greek middle dot)
minus − U+2212 (8722) HTML 4.0 HTMLsymbol ISOtech minus sign
Mu Μ U+039C (924) HTML 4.0 HTMLsymbol   Greek capital letter Mu
mu μ U+03BC (956) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter mu
nabla ∇ U+2207 (8711) HTML 4.0 HTMLsymbol ISOtech del or nabla (vector differential operator)
nbsp   U+00A0 (160) HTML 3.2 HTMLlat1 ISOnum no-break space (non-breaking space)[d]
ndash – U+2013 (8211) HTML 4.0 HTMLspecial ISOpub en dash
ne ≠ U+2260 (8800) HTML 4.0 HTMLsymbol ISOtech not equal to
ni ∋ U+220B (8715) HTML 4.0 HTMLsymbol ISOtech contains as member
not ¬ U+00AC (172) HTML 3.2 HTMLlat1 ISOnum not sign
notin ∉ U+2209 (8713) HTML 4.0 HTMLsymbol ISOtech not an element of
nsub ⊄ U+2284 (8836) HTML 4.0 HTMLsymbol ISOamsn not a subset of
Ntilde Ñ U+00D1 (209) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter N with tilde
ntilde ñ U+00F1 (241) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter n with tilde
Nu Ν U+039D (925) HTML 4.0 HTMLsymbol   Greek capital letter Nu
nu ν U+03BD (957) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter nu
Oacute Ó U+00D3 (211) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with acute accent
oacute ó U+00F3 (243) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with acute accent
Ocirc Ô U+00D4 (212) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with circumflex
ocirc ô U+00F4 (244) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with circumflex
OElig ΠU+0152 (338) HTML 4.0 HTMLspecial ISOlat2 Latin capital ligature oe[e]
oelig œ U+0153 (339) HTML 4.0 HTMLspecial ISOlat2 Latin small ligature oe[e]
Ograve Ò U+00D2 (210) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with grave accent
ograve ò U+00F2 (242) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with grave accent
oline ‾ U+203E (8254) HTML 4.0 HTMLsymbol NEW overline (spacing overscore)
Omega Ω U+03A9 (937) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Omega
omega ω U+03C9 (969) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter omega
Omicron Ο U+039F (927) HTML 4.0 HTMLsymbol   Greek capital letter Omicron
omicron ο U+03BF (959) HTML 4.0 HTMLsymbol NEW Greek small letter omicron
oplus ⊕ U+2295 (8853) HTML 4.0 HTMLsymbol ISOamsb circled plus (direct sum)
or ∨ U+2228 (8744) HTML 4.0 HTMLsymbol ISOtech logical or (vee)
ordf ª U+00AA (170) HTML 3.2 HTMLlat1 ISOnum feminine ordinal indicator
ordm º U+00BA (186) HTML 3.2 HTMLlat1 ISOnum masculine ordinal indicator
Oslash Ø U+00D8 (216) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with stroke (Latin capital letter O slash)
oslash ø U+00F8 (248) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with stroke (Latin small letter o slash)
Otilde Õ U+00D5 (213) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with tilde
otilde õ U+00F5 (245) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with tilde
otimes ⊗ U+2297 (8855) HTML 4.0 HTMLsymbol ISOamsb circled times (vector product)
Ouml Ö U+00D6 (214) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter O with diaeresis
ouml ö U+00F6 (246) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter o with diaeresis
para U+00B6 (182) HTML 3.2 HTMLlat1 ISOnum pilcrow sign (paragraph sign)
part ∂ U+2202 (8706) HTML 4.0 HTMLsymbol ISOtech partial differential
permil ‰ U+2030 (8240) HTML 4.0 HTMLspecial ISOtech per mille sign
perp ⊥ U+22A5 (8869) HTML 4.0 HTMLsymbol ISOtech up tack (orthogonal to, perpendicular)[o]
Phi Φ U+03A6 (934) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Phi
phi φ U+03C6 (966) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter phi
Pi Π U+03A0 (928) HTML 4.0 HTMLsymbol   Greek capital letter Pi
pi π U+03C0 (960) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter pi
piv ϖ U+03D6 (982) HTML 4.0 HTMLsymbol ISOgrk3 Greek pi symbol
plusmn ± U+00B1 (177) HTML 3.2 HTMLlat1 ISOnum plus-minus sign (plus-or-minus sign)
pound £ U+00A3 (163) HTML 3.2 HTMLlat1 ISOnum pound 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)
prod ∏ U+220F (8719) HTML 4.0 HTMLsymbol ISOamsb n-ary product (product sign)[k]
prop ∝ U+221D (8733) HTML 4.0 HTMLsymbol ISOtech proportional to
Psi Ψ U+03A8 (936) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Psi
psi ψ U+03C8 (968) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter psi
quot " U+0022 (34) HTML 2.0 HTMLspecial ISOnum quotation mark (APL quote)
radic √ U+221A (8730) HTML 4.0 HTMLsymbol ISOtech square root (radical sign)
rang ⟩ U+232A (9002) HTML 4.0 HTMLsymbol ISOtech right-pointing angle bracket (ket)[r]
raquo » U+00BB (187) HTML 3.2 HTMLlat1 ISOnum right-pointing double angle quotation mark (right pointing guillemet)
rarr → U+2192 (8594) HTML 4.0 HTMLsymbol ISOnum rightwards arrow
rArr ⇒ U+21D2 (8658) HTML 4.0 HTMLsymbol ISOnum rightwards double arrow[j]
rceil ⌉ U+2309 (8969) HTML 4.0 HTMLsymbol ISOamsc right ceiling
rdquo ” U+201D (8221) HTML 4.0 HTMLspecial ISOnum right double quotation mark
real ℜ U+211C (8476) HTML 4.0 HTMLsymbol ISOamso black-letter capital R (real part symbol)
reg ® U+00AE (174) HTML 3.2 HTMLlat1 ISOnum registered sign (registered trademark symbol)
rfloor ⌋ U+230B (8971) HTML 4.0 HTMLsymbol ISOamsc right floor
Rho Ρ U+03A1 (929) HTML 4.0 HTMLsymbol   Greek capital letter Rho
rho ρ U+03C1 (961) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter rho
rlm   U+200F (8207) HTML 4.0 HTMLspecial NEW RFC 2070 right-to-left mark
rsaquo › U+203A (8250) HTML 4.0 HTMLspecial ISO proposed single right-pointing angle quotation mark[g]
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
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
sdot ⋅ U+22C5 (8901) HTML 4.0 HTMLsymbol ISOamsb dot operator[p]
sect § U+00A7 (167) HTML 3.2 HTMLlat1 ISOnum section sign
shy   U+00AD (173) HTML 3.2 HTMLlat1 ISOnum soft hyphen (discretionary hyphen)
Sigma Σ U+03A3 (931) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Sigma
sigma σ U+03C3 (963) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter sigma
sigmaf ς U+03C2 (962) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter final sigma
sim ∼ U+223C (8764) HTML 4.0 HTMLsymbol ISOtech tilde operator (varies with, similar to)[m]
spades ♠ U+2660 (9824) HTML 4.0 HTMLsymbol ISOpub black spade suit[f]
sub ⊂ U+2282 (8834) HTML 4.0 HTMLsymbol ISOtech subset of
sube ⊆ U+2286 (8838) HTML 4.0 HTMLsymbol ISOtech subset of or equal to
sum ∑ U+2211 (8721) HTML 4.0 HTMLsymbol ISOamsb n-ary summation[l]
sup ⊃ U+2283 (8835) HTML 4.0 HTMLsymbol ISOtech superset of[n]
sup1 ¹ U+00B9 (185) HTML 3.2 HTMLlat1 ISOnum superscript one (superscript digit one)
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)
supe ⊇ U+2287 (8839) HTML 4.0 HTMLsymbol ISOtech superset of or equal to
szlig ß U+00DF (223) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter sharp s (ess-zed); see German Eszett
Tau Τ U+03A4 (932) HTML 4.0 HTMLsymbol   Greek capital letter Tau
tau τ U+03C4 (964) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter tau
there4 ∴ U+2234 (8756) HTML 4.0 HTMLsymbol ISOtech therefore sign
Theta Θ U+0398 (920) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Theta
theta θ U+03B8 (952) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter theta
thetasym ϑ U+03D1 (977) HTML 4.0 HTMLsymbol NEW Greek theta symbol
thinsp   U+2009 (8201) HTML 4.0 HTMLspecial ISOpub thin space[d]
THORN Þ U+00DE (222) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter THORN
thorn þ U+00FE (254) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter thorn
tilde ˜ U+02DC (732) HTML 4.0 HTMLspecial ISOdia small tilde
times × U+00D7 (215) HTML 3.2 HTMLlat1 ISOnum multiplication sign
trade ™ U+2122 (8482) HTML 4.0 HTMLsymbol ISOnum trademark symbol
Uacute Ú U+00DA (218) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with acute accent
uacute ú U+00FA (250) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with acute accent
uarr ↑ U+2191 (8593) HTML 4.0 HTMLsymbol ISOnum upwards arrow
uArr ⇑ U+21D1 (8657) HTML 4.0 HTMLsymbol ISOamsa upwards double arrow
Ucirc Û U+00DB (219) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with circumflex
ucirc û U+00FB (251) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with circumflex
Ugrave Ù U+00D9 (217) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with grave accent
ugrave ù U+00F9 (249) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with grave accent
uml ¨ U+00A8 (168) HTML 3.2 HTMLlat1 ISOdia diaeresis (spacing diaeresis); see Germanic umlaut
upsih ϒ U+03D2 (978) HTML 4.0 HTMLsymbol NEW Greek Upsilon with hook symbol
Upsilon Υ U+03A5 (933) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Upsilon
upsilon υ U+03C5 (965) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter upsilon
Uuml Ü U+00DC (220) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter U with diaeresis
uuml ü U+00FC (252) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter u with diaeresis
weierp ℘ U+2118 (8472) HTML 4.0 HTMLsymbol ISOamso script capital P (power set, Weierstrass p)
Xi Ξ U+039E (926) HTML 4.0 HTMLsymbol ISOgrk3 Greek capital letter Xi
xi ξ U+03BE (958) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter xi
Yacute Ý U+00DD (221) HTML 2.0 HTMLlat1 ISOlat1 Latin capital letter Y with acute accent
yacute ý U+00FD (253) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter y with acute accent
yen ¥ U+00A5 (165) HTML 3.2 HTMLlat1 ISOnum yen sign (yuan sign)
yuml ÿ U+00FF (255) HTML 2.0 HTMLlat1 ISOlat1 Latin small letter y with diaeresis
Yuml Ÿ U+0178 (376) HTML 4.0 HTMLspecial ISOlat2 Latin capital letter y with diaeresis
Zeta Ζ U+0396 (918) HTML 4.0 HTMLsymbol   Greek capital letter Zeta
zeta ζ U+03B6 (950) HTML 4.0 HTMLsymbol ISOgrk3 Greek small letter zeta
zwj   U+200D (8205) HTML 4.0 HTMLspecial NEW RFC 2070 zero-width joiner
zwnj   U+200C (8204) HTML 4.0 HTMLspecial NEW RFC 2070 zero-width non-joiner

参考：

https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references

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