The book HTML Black Book by Steven Holzner (ISBN 1-57610-617-9, published in 2000) provides a chart of character entities for HTML 4.  A character entity allows special characters that may not appear on the keyboard to be displayed.  A character entity has one of these formats:

  • &name; where name is the name of the entity.
  • &#number where number is the number of the entity
      • Sym Name Number Description
      Á Aacute 193 Latin capital letter A with acute
      á aacute 225 Latin small letter a with acute
      Â Acirc 194 Latin capital letter A with circumflex
      â acirc 226 Latin small letter a with circumflex
      ´ acute 180 Acute accent
      Æ AElig 198 Latin capital letter AE
      æ aelig 230 Latin small letter ae
      À Agrave 192 Latin capital letter A with grave
      à agrave 224 Latin small letter a with grave
      ℵ alefsym 8501 Alef symbol = first transfinite cardinal
      Α Alpha 913 Greek capital letter alpha
      α alpha 945 Greek small letter alpha
      & amp 38 Ampersand
      ∧ and 8743 Logical and
      ∠ ang 8736 Angle
      Å Aring 197 Latin capital letter A with ring above
      å aring 229 Latin small letter a with ring above
      ≈ asymp 8776 Almost equal to = asymptotic to
      Ã Atilde 195 Latin capital letter A with tilde
      ã atilde 227 Latin small letter a with tilde
      Ä Auml 196 Latin capital letter A with diaeresis (umlaut)
      ä auml 228 Latin small letter a with diaeresis (umlaut)
      „ bdquo 8222 Double low-9 quotation
      Β Beta 914 Greek capital letter beta
      β beta 946 Greek small letter beta
      ¦ brvbar 166 Broken bar = broken vertical bar
      • bull 8226 Bullet = black small circle
      ∩ cap 8745 Intersection = cap
      Ç Ccedil 199 Latin capital letter C with cedilla
      ç ccedil 231 Latin small letter c with cedilla
      ¸ cedil 184 Cedilla
      ¢ cent 162 Cent sign
      Χ Chi 935 Greek capital letter chi
      χ chi 967 Greek small letter chi
      ˆ circ 710 Modifier letter circumflex accent
      ♣ clubs 9827 Black club suit = shamrock
      ≅ cong 8773 Approximately equal to
      © copy 169 Copyright sign
      ↵ crarr 8629 Downwards arrow with corner leftwards
      ∪ cup 8746 Union = cup
      ¤ curren 164 Currency sign
      ‡ Dagger 8225 Double dagger
      † dagger 8224 Dagger
      ⇓ dArr 8659 Downwards double arrow
      ↓ darr 8595 Downwards arrow
      ° deg 176 Degree sign
      Δ Delta 916 Greek capital letter delta
      δ delta 948 Greek small letter delta
      ♦ diams 9830 Black diamond suit
      ÷ divide 247 Division sign
      É Eacute 201 Latin capital letter E with acute
      é eacute 233 Latin small letter e with acute
      Ê Ecirc 202 Latin capital letter E with circumflex
      ê ecirc 234 Latin small letter e with circumflex
      È Egrave 200 Latin capital letter E with grave
      è egrave 232 Latin small letter e with grave
      ∅ empty 8709 Empty set = null set = diameter
        emsp 8195 Em space
        ensp 8194 En space
      Ε Epsilon 917 Greek capital letter epsilon
      ε epsilon 949 Greek small letter epsilon
      ≡ equiv 8801 Identical to
      Η Eta 919 Greek capital letter eta
      η eta 951 Greek small letter eta
      Ð ETH 208 Greek capital letter ETH
      ð eth 240 Greek capital letter eth
      Ë Euml 203 Latin capital letter E with diaeresis (umlaut)
      ë euml 235 Latin small letter e with diaeresis (umlaut)
      € euro 8364 Euro sign
      ∃ exist 8707 There exists
      ƒ fnof 402 Latin small f with hook = function
      ∀ forall 8704 For all
      ½ frac12 189 Vulgar fraction one half
      ¼ frac14 188 Vulgar fraction one quarter
      ¾ frac34 190 Vulgar fraction three quarters
      ⁄ frasl 189 Fraction slash
      Γ Gamma 915 Greek capital letter gamma
      γ gamma 947 Greek small letter gamma
      ≥ ge 8805 Greater-than or equal to
      > gt 62 Greater-than sign
      ⇔ hArr 8660 Left right double arrow
      ↔ harr 8596 Left right arrow
      ♥ hearts 9829 Black heart suit = valentine
      … hellip 8230 Horizontal ellipsis = three dot leader
      Í Iacute 205 Latin capital letter I with acute
      í iacute 237 Latin small letter i with acute
      Î Icirc 206 Latin capital letter I with circumflex
      î icirc 238 Latin small letter i with circumflex
      ¡ iexcl 161 Inverted exclamation mark
      Ì Igrave 204 Latin capital letter I with grave
      ì igrave 236 Latin small letter i with grave
      ℑ image 8465 Blackletter capital I = imaginary part
      ∞ infin 8734 Infinity
      ∫ int 8747 Integral
      Ι Iota 921 Greek capital letter iota
      ι iota 953 Greek small letter iota
      ¿ iquest 191 Inverted question mark
      ∈ isin 8712 Element of
      Ï Iuml 207 Latin capital letter I with diaeresis (umlaut)
      ï iuml 239 Latin small letter i with diaeresis (umlaut)
      Κ Kappa 922 Greek capital letter kappa
      κ kappa 954 Greek small letter kappa
      Λ Lambda 923 Greek capital letter lambda
      λ lambda 955 Greek small letter lambda
      ⟨ lang 9001 Left-pointing angle bracket = bra
      « laquo 171 Left-pointing double angle quotation mark
      ⇐ lArr 8656 Leftwards double arrow
      ← larr 8592 Leftwards arrow
      ⌈ lceil 8968 Left ceiling = apl upstile
      “ ldquo 8220 Left double quotation mark
      ≤ le 8804 Less-than or equal to
      ⌊ lfloor 8970 Left floor = apl downstile
      ∗ lowast 8727 Asterisk operator
      ◊ loz 9674 Lozenge
      ‎‎ lrm 8206 Left-to-right mark
      ‹ lsaquo 8249 Single left-pointing angle quotation mark
      ‘ lsquo 8216 Left single quotation mark
      < lt 60 Less-than sign
      ¯ macr 175 Macron = spacing macron
      — mdash 8212 Em dash
      µ micro 181 Micro sign
      · middot 183 Middle dot
      − minus 8722 Minus sign
      Μ Mu 924 Greek capital letter mu
      μ mu 956 Greek small letter mu
      ∇ nabla 8711 Nabla = backward difference
        nbsp 160 No-break space = nonbreaking space
      – ndash 8211 En dash
      ≠ ne 8800 Not equal to
      ∋ ni 8715 Contains as member
      ¬ not 172 Not sign
      ∉ notin 8713 Not an element of
      ⊄ nsub 8836 Not a subset of
      Ñ Ntilde 209 Latin capital letter N with tilde
      ñ ntilde 241 Latin small letter n with tilde
      Ν Nu 925 Greek capital letter nu
      ν nu 957 Greek small letter nu
      Ó Oacute 211 Latin capital letter O with acute
      ó oacute 243 Latin small letter o with acute
      Ô Ocirc 212 Latin capital letter O with circumflex
      ô ocirc 244 Latin small letter o with circumflex
      ΠOElig 338 Latin capital ligature OE
      œ oelig 339 Latin small ligature oe
      Ò Ograve 210 Latin capital letter O with grave
      ò ograve 242 Latin small letter o with grave
      ‾ oline 8254 Overline = spacing overscore
      Ω Omega 937 Greek capital letter omega
      ω omega 969 Greek small letter omega
      Ο Omicron 927 Greek capital letter omicron
      ο omicron 959 Greek small letter omicron
      ⊕ oplus 8853 Circled plus = direct sum
      ∨ or 8744 Logical or = vee
      ª ordf 170 Feminine ordinal indicator
      º ordm 186 Masculine ordinal indicator
      Ø Oslash 216 Latin capital letter O with stroke
      ø oslash 248 Latin small letter o with stroke
      Õ Otilde 213 Latin capital letter O with tilde
      õ otilde 245 Latin small letter o with tilde
      ⊗ otimes 8855 Circled times = vector product
      Ö Ouml 214 Latin capital letter O with diaeresis (umlaut)
      ö ouml 246 Latin small letter o with diaeresis (umlaut)
      para 182 Pilcrow sign
      ∂ part 8706 Partial differential
      ‰ permil 8240 Per mille sign
      ⊥ perp 8869 Up tack = orthogonal to = perpendicular
      Φ Phi 934 Greek capital letter phi
      φ phi 966 Greek small letter phi
      Π Pi 928 Greek capital letter pi
      π pi 960 Greek small letter pi
      ϖ piv 982 Greek pi symbol
      ± plusmn 177 Plus-minus sign
      £ pound 163 Pound sign
      ″ Prime 8243 Double prime = seconds = inches
      ′ prime 8242 Prime = mintes = feet
      ∏ prod 8719 N-ary product = product sign
      ∝ prop 8733 Proportional to
      Ψ Psi 936 Greek capital letter psi
      ψ psi 968 Greek small letter psi
      " quot 34 Quotation mark = APL quote
      √ radic 8730 Square root = radical sign
      ⟩ rang 9002 Right-pointing angle bracket = ket
      » raquo 187 Right-pointing double angle quotation mark
      ⇒ rArr 8658 Rightwards double arrow
      → rarr 8594 Rightwards arrow
      ⌉ rceil 8969 right ceiling
      ” rdquo 8221 Right double quotation mark
      ℜ real 8476 Blackletter capital R = real part symbol
      ® reg 174 Registered sign
      ⌋ rfloor 8971 Right floor
      Ρ Rho 929 Greek capital letter rho
      ρ rho 961 Greek small letter rho
      ‏‏ rlm 8207 Right-to-left mark
      › rsaquo 8250 Single right-pointing angle quotation mark
      ’ rsquo 8217 Right single quotation mark
      ‚ sbquo 8218 Single low-9 quotation mark
      Š Scaron 352 Latin capital letter S with caron
      š scaron 353 Latin small letter s with caron
      ⋅ sdot 8901 Dot operator
      § sect 167 Section sign
      ­ shy 173 Soft hyphen
      Σ Sigma 931 Greek capital letter sigma
      σ sigma 963 Greek small letter sigma
      ς sigmaf 962 Greek small letter final sigma
      ∼ sim 8764 Tilde operator
      ♠ spades 9824 Black spades suit
      ⊂ sub 8834 Subset of
      ⊆ sube 8838 Subset of or equal to
      ∑ sum 8721 N-ary sumation
      ⊃ sup 8835 Superset of
      ¹ sup1 185 Superscript one
      ² sup2 178 Superscript two
      ³ sup3 179 Superscript three
      ⊇ supe 8839 Superset of or equal to
      ß szlig 223 Latin small letter sharp s
      Τ Tau 932 Greek capital letter tau
      τ tau 964 Greek small letter tau
      ∴ there4 8756 Therefore
      Θ Theta 920 Greek capital letter theta
      θ theta 952 Greek small letter theta
      ϑ thetasym 977 Greek small letter theta symbol
        thinsp 8201 Thin space
      Þ THORN 222 Latin capital letter THORN
      þ thorn 254 Latin small letter thorn
      ˜ tilde 732 Small tilde
      × times 215 Multiplication sign
      ™ trade 8482 Trade mark sign
      Ú Uacute 218 Latin capital letter U with acute
      ú uacute 250 Latin small letter u with acute
      ⇑ uArr 8657 Upwards double arrow
      ↑ uarr 8593 Upwards arrow
      Û Ucirc 219 Latin capital letter U with circumflex
      û ucirc 251 Latin small letter u with circumflex
      Ù Ugrave 217 Latin capital letter U with grave
      ù ugrave 249 Latin small letter u with grave
      ¨ uml 168 Diaeresis (umlaut)
      ϒ upsih 978 Greek upsilon with hook symbol
      Υ Upsilon 933 Greek capital letter upsilon
      υ upsilon 965 Greek small letter upsilon
      Ü Uuml 220 Latin capital letter U with diaeresis (umlaut)
      ü uuml 252 Latin small letter u with diaeresis (umlaut)
      ℘ weierp 8472 Script capital P = power set
      Ξ Xi 926 Greek capital letter xi
      ξ xi 958 Greek small letter xi
      Ý Yacute 220 Latin capital letter Y with acute
      ý yacute 253 Latin small letter y with acute
      ¥ yen 165 Yen sign = yuan sign
      Ÿ Yuml 376 Latin capital letter Y with diaeresis (umlaut)
      ÿ yuml 255 Latin small letter y with diaeresis (umlaut)
      Ζ Zeta 918 Greek capital letter zeta
      ζ zeta 950 Greek small letter zeta
      ‍‍ zwj 8205 Zero width joiner
      ‌‌ zwnj 8204 Zero width nonjoiner

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