Tabella codici "Matematici", "Greci" e "Simboli" in HTMl 4.0.1

La tabella è stata realizzata come le specifiche dell'organizzazione W3C con il riferimento alla pagina specifica del manuale HTML 4.0.1 sezione 24.3

*<!-- Latin Extended-B -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
fnof	&fnof;	"ƒ"	ƒ	"ƒ"	-- latin small f with hook = function = florin, U+0192 ISOtech

*<!-- Greek -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
Alpha	Α	"Α"	Α	"Α"	-- greek capital letter alpha, U+0391
Beta	Β	"Β"	Β	"Β"	-- greek capital letter beta, U+0392
Gamma	Γ	"Γ"	Γ	"Γ"	-- greek capital letter gamma, U+0393 ISOgrk3
Delta	Δ	"Δ"	Δ	"Δ"	-- greek capital letter delta, U+0394 ISOgrk3
Epsilon	Ε	"Ε"	Ε	"Ε"	-- greek capital letter epsilon, U+0395
Zeta	Ζ	"Ζ"	Ζ	"Ζ"	-- greek capital letter zeta, U+0396
Eta	Η	"Η"	Η	"Η"	-- greek capital letter eta, U+0397
Theta	Θ	"Θ"	Θ	"Θ"	-- greek capital letter theta, U+0398 ISOgrk3
Iota	Ι	"Ι"	Ι	"Ι"	-- greek capital letter iota, U+0399
Kappa	Κ	"Κ"	Κ	"Κ"	-- greek capital letter kappa, U+039A
Lambda	Λ	"Λ"	Λ	"Λ"	-- greek capital letter lambda, U+039B ISOgrk3
Mu	Μ	"Μ"	Μ	"Μ"	-- greek capital letter mu, U+039C
Nu	Ν	"Ν"	Ν	"Ν"	-- greek capital letter nu, U+039D
Xi	Ξ	"Ξ"	Ξ	"Ξ"	-- greek capital letter xi, U+039E ISOgrk3
Omicron	Ο	"Ο"	Ο	"Ο"	-- greek capital letter omicron, U+039F
Pi	Π	"Π"	Π	"Π"	-- greek capital letter pi, U+03A0 ISOgrk3
Rho	Ρ	"Ρ"	Ρ	"Ρ"	-- greek capital letter rho, U+03A1 -->

*<!-- there is no Sigmaf, and no U+03A2 character either -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
Sigma	Σ	"Σ"	Σ	"Σ"	-- greek capital letter sigma, U+03A3 ISOgrk3
Tau	Τ	"Τ"	Τ	"Τ"	-- greek capital letter tau, U+03A4
Upsilon	Υ	"Υ"	Υ	"Υ"	-- greek capital letter upsilon, U+03A5 ISOgrk3
Phi	Φ	"Φ"	Φ	"Φ"	-- greek capital letter phi, U+03A6 ISOgrk3
Chi	Χ	"Χ"	Χ	"Χ"	-- greek capital letter chi, U+03A7
Psi	Ψ	"Ψ"	Ψ	"Ψ"	-- greek capital letter psi, U+03A8 ISOgrk3
Omega	Ω	"Ω"	Ω	"Ω"	-- greek capital letter omega, U+03A9 ISOgrk3
alpha	α	"α"	α	"α"	-- greek small letter alpha, U+03B1 ISOgrk3
beta	β	"β"	β	"β"	-- greek small letter beta, U+03B2 ISOgrk3
gamma	γ	"γ"	γ	"γ"	-- greek small letter gamma, U+03B3 ISOgrk3
delta	δ	"δ"	δ	"δ"	-- greek small letter delta, U+03B4 ISOgrk3
epsilon	ε	"ε"	ε	"ε"	-- greek small letter epsilon, U+03B5 ISOgrk3
zeta	ζ	"ζ"	ζ	"ζ"	-- greek small letter zeta, U+03B6 ISOgrk3
eta	η	"η"	η	"η"	-- greek small letter eta, U+03B7 ISOgrk3
theta	θ	"θ"	θ	"θ"	-- greek small letter theta, U+03B8 ISOgrk3
iota	ι	"ι"	ι	"ι"	-- greek small letter iota, U+03B9 ISOgrk3
kappa	κ	"κ"	κ	"κ"	-- greek small letter kappa, U+03BA ISOgrk3
lambda	λ	"λ"	λ	"λ"	-- greek small letter lambda, U+03BB ISOgrk3
mu	μ	"μ"	μ	"μ"	-- greek small letter mu, U+03BC ISOgrk3
nu	ν	"ν"	ν	"ν"	-- greek small letter nu, U+03BD ISOgrk3
xi	ξ	"ξ"	ξ	"ξ"	-- greek small letter xi, U+03BE ISOgrk3
omicron	ο	"ο"	ο	"ο"	-- greek small letter omicron, U+03BF NEW
pi	π	"π"	π	"π"	-- greek small letter pi, U+03C0 ISOgrk3
rho	ρ	"ρ"	ρ	"ρ"	-- greek small letter rho, U+03C1 ISOgrk3
sigmaf	&sigmaf;	"ς"	ς	"ς"	-- greek small letter final sigma, U+03C2 ISOgrk3
sigma	σ	"σ"	σ	"σ"	-- greek small letter sigma, U+03C3 ISOgrk3
tau	τ	"τ"	τ	"τ"	-- greek small letter tau, U+03C4 ISOgrk3
upsilon	υ	"υ"	υ	"υ"	-- greek small letter upsilon, U+03C5 ISOgrk3
phi	φ	"φ"	φ	"φ"	-- greek small letter phi, U+03C6 ISOgrk3
chi	χ	"χ"	χ	"χ"	-- greek small letter chi, U+03C7 ISOgrk3
psi	ψ	"ψ"	ψ	"ψ"	-- greek small letter psi, U+03C8 ISOgrk3
omega	ω	"ω"	ω	"ω"	-- greek small letter omega, U+03C9 ISOgrk3
thetasym	&thetasym;	"ϑ"	ϑ	"ϑ"	-- greek small letter theta symbol, U+03D1 NEW
upsih	&upsih;	"ϒ"	ϒ	"ϒ"	-- greek upsilon with hook symbol, U+03D2 NEW
piv	ϖ	"ϖ"	ϖ	"ϖ"	-- greek pi symbol, U+03D6 ISOgrk3

*<!-- General Punctuation -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
bull	•	"•"	&#8226	"•"	-- bullet = black small circle, U+2022 ISOpub

*<!-- bullet is NOT the same as bullet operator, U+2219 -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
hellip	…	"…"	…	"…"	-- horizontal ellipsis = three dot leader, U+2026 ISOpub
prime	′	"′"	′	"′"	-- prime = minutes = feet, U+2032 ISOtech
Prime	″	"″"	″	"″"	-- double prime = seconds = inches, U+2033 ISOtech
oline	&oline;	"‾"	‾	"‾"	-- overline = spacing overscore, U+203E NEW
frasl	&frasl;	"⁄"	⁄	"⁄"	-- fraction slash, U+2044 NEW

*<!-- Letterlike Symbols -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
weierp	&weierp;	"℘"	℘	"℘"	-- script capital P = power set = Weierstrass p, U+2118 ISOamso
image	&image;	"ℑ"	ℑ	"ℑ"	-- blackletter capital I = imaginary part, U+2111 ISOamso
real	&real;	"ℜ"	ℜ	"ℜ"	-- blackletter capital R = real part symbol, U+211C ISOamso
trade	™	"™"	™	"™"	-- trade mark sign, U+2122 ISOnum
alefsym	&alefsym;	"ℵ"	ℵ	"ℵ"	-- alef symbol = first transfinite cardinal, U+2135 NEW

<!-- alef symbol is NOT the same as hebrew letter alef, U+05D0 although the same glyph could be used to depict both characters -->
<!-- Arrows -->
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
larr	←	"←"	←	"←"	-- leftwards arrow, U+2190 ISOnum
uarr	↑	"↑"	↑	"↑"	-- upwards arrow, U+2191 ISOnu
rarr	→	"→"	→	"→"	-- rightwards arrow, U+2192 ISOnum
darr	↓	"↓"	↓	"↓"	-- downwards arrow, U+2193 ISOnum
harr	↔	"↔"	↔	"↔"	-- left right arrow, U+2194 ISOamsa
crarr	&crarr;	"↵"	↵	"↵"	-- downwards arrow with corner leftwards = carriage return, U+21B5 NEW
lArr	⇐	"⇐"	⇐	"⇐""	-- leftwards double arrow, U+21D0 ISOtech

<!-- ISO 10646 does not say that lArr is the same as the 'is implied by' arrow but also does not have any other character for that function. So ? lArr can be used for 'is implied by' as ISOtech suggests -->
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
uArr	&uArr;	"⇑"	⇑	"⇑"	-- upwards double arrow, U+21D1 ISOamsa
rArr	⇒	"⇒"	⇒	"⇒"	-- rightwards double arrow, U+21D2 ISOtech

*<!-- ISO 10646 does not say this is the 'implies' character but does not have another character with this function so ? rArr can be used for 'implies' as ISOtech suggests -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
dArr	&dArr;	"⇓"	⇓	"⇓"	-- downwards double arrow, U+21D3 ISOamsa
hArr	⇔	"⇔"	⇔	"⇔"	-- left right double arrow, U+21D4 ISOamsa

*<!-- Mathematical Operators -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
forall	∀	"∀"	∀	"∀"	-- for all, U+2200 ISOtech
part	∂	"∂"	∂	"∂"	-- partial differential, U+2202 ISOtech
exist	∃	"∃"	∃	"∃"	-- there exists, U+2203 ISOtech
empty	∅	"∅"	∅	"∅"	-- empty set = null set = diameter, U+2205 ISOamso
nabla	∇	"∇"	∇	"∇"	-- nabla = backward difference, U+2207 ISOtech
isin	∈	"∈"	∈	"∈"	-- element of, U+2208 ISOtech
notin	∉	"∉"	∉	"∉"	-- not an element of, U+2209 ISOtech
ni	&ni;	"∋"	∋	"∋"	-- contains as member, U+220B ISOtech

*<!-- should there be a more memorable name than 'ni'? -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
prod	∏	"∏"	∏	"∏"	-- n-ary product = product sign, U+220F ISOamsb

*<!-- prod is NOT the same character as U+03A0 'greek capital letter pi' though the same glyph might be used for both -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
sum	∑	"∑"	∑	"∑"	-- n-ary sumation, U+2211 ISOamsb

*<!-- sum is NOT the same character as U+03A3 'greek capital letter sigma' though the same glyph might be used for both -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
minus	−	"−"	−	"−"	-- minus sign, U+2212 ISOtech
lowast	&lowast;	"∗"	∗	"∗"	-- asterisk operator, U+2217 ISOtech
radic	√	"√"	√	"√"	-- square root = radical sign, U+221A ISOtech
prop	&prop;	"∝"	∝	"∝"	-- proportional to, U+221D ISOtech
infin	∞	"∞"	∞	"∞"	-- infinity, U+221E ISOtech
ang	&ang;	"∠"	∠	"∠"	-- angle, U+2220 ISOamso
and	&and;	"∧"	∧	"∧"	-- logical and = wedge, U+2227 ISOtech
or	&or;	"∨"	∨	"∨"	-- logical or = vee, U+2228 ISOtech
cap	∩	"∩"	∩	"∩"	-- intersection = cap, U+2229 ISOtech
cup	∪	"∪"	∪	"∪"	-- union = cup, U+222A ISOtech
int	∫	"∫"	∫	"∫"	-- integral, U+222B ISOtech
there4	&there4;	"∴"	∴	"∴"	-- therefore, U+2234 ISOtech
sim	&sim;	"∼"	∼	"∼"	-- tilde operator = varies with = similar to, U+223C ISOtech

*<!-- tilde operator is NOT the same character as the tilde, U+007E, although the same glyph might be used to represent both -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
cong	&cong;	"≅"	≅	"≅"	-- approximately equal to, U+2245 ISOtech
asymp	≈	"≈"	≈	"≈"	-- almost equal to = asymptotic to, U+2248 ISOamsr
ne	≠	"≠"	≠	"≠"	-- not equal to, U+2260 ISOtech
equiv	&equiv;	"≡"	≡	"≡"	-- identical to, U+2261 ISOtech
le	≤	"≤"	≤	"≤"	-- less-than or equal to, U+2264 ISOtech
ge	≥	"≥"	≥	"≥"	-- greater-than or equal to, U+2265 ISOtech
sub	⊂	"⊂"	⊂	"⊂"	-- subset of, U+2282 ISOtech
sup	⊃	"⊃"	⊃	"⊃"	-- superset of, U+2283 ISOtech

*<!-- note that nsup, 'not a superset of, U+2283' is not covered by the Symbol font encoding and is not included. Should it be, for symmetry? It is in ISOamsn -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
nsub	&nsub;	"⊄"	⊄	"⊄"	-- not a subset of, U+2284 ISOamsn
sube	&sube;	"⊆"	⊆	"⊆"	-- subset of or equal to, U+2286 ISOtech
supe	&supe;	"⊇"	⊇	"⊇"	-- superset of or equal to, U+2287 ISOtech
oplus	&oplus;	"⊕"	⊕	"⊕"	-- circled plus = direct sum, U+2295 ISOamsb
otimes	&otimes;	"⊗"	⊗	"⊗"	-- circled times = vector product, U+2297 ISOamsb
perp	&perp;	"⊥"	⊥	"⊥"	-- up tack = orthogonal to = perpendicular, U+22A5 ISOtech
sdot	⋅	"⋅"	⋅	"⋅"	-- dot operator, U+22C5 ISOamsb

<!-- dot operator is NOT the same character as U+00B7 middle dot -->
<!-- Miscellaneous Technical -->
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
lceil	&lceil;	"⌈"	⌈	"⌈"	-- left ceiling = apl upstile, U+2308 ISOamsc
rceil	&rceil;	"⌉"	⌉	"⌉"	-- right ceiling, U+2309 ISOamsc
lfloor	&lfloor;	"⌊"	⌊	"⌊"	-- left floor = apl downstile, U+230A ISOamsc
rfloor	&rfloor;	"⌋"	⌋	"⌋"	-- right floor, U+230B ISOamsc
lang	&lang;	"⟨"	〈	"〈"	-- left-pointing angle bracket = bra, U+2329 ISOtech

*<!-- lang is NOT the same character as U+003C 'less than' or U+2039 'single left-pointing angle quotation mark' -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
rang	&rang;	"⟩"	〉	"〉"	-- right-pointing angle bracket = ket, U+232A ISOtech

<!-- rang is NOT the same character as U+003E 'greater than' or U+203A 'single right-pointing angle quotation mark' -->
<!-- Geometric Shapes -->
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
loz	&loz;	"◊"	◊	"◊"	-- lozenge, U+25CA ISOpub

*<!-- Miscellaneous Symbols -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
spades	&spades;	"♠"	♠	"♠"	-- black spade suit, U+2660 ISOpub

*<!-- black here seems to mean filled as opposed to hollow -->*
Nome carattere	Codice Naturale	Risultato	Codice HEX	Risultato	Descrizione
clubs	&clubs;	"♣"	♣	"♣"	-- black club suit = shamrock, U+2663 ISOpub
hearts	&hearts;	"♥"	♥	"♥"	-- black heart suit = valentine, U+2665 ISOpub
diams	&diams;	"♦"	♦	"♦"	-- black diamond suit, U+2666 ISOpub