Operatori matematici in HTML

Publicat la data de 16.06.07, in Diverse, de admin

Incepand cu versiunea 4.0 a specificatiilor HTML este posibilia afisarea simbolurilor matematice, cu ajutorul unui set de coduri decimale. Tabela de mai jos va ofera o privire de ansamblu asupra valorilor decimale existente in HTML 4.0, insotite de o descriere a lor in limba engleza. Pentru a utiliza simboluri matematice in blocuri HTML folositi urmatoarea [...]

Incepand cu versiunea 4.0 a specificatiilor HTML este posibilia afisarea simbolurilor matematice, cu ajutorul unui set de coduri decimale.

Tabela de mai jos va ofera o privire de ansamblu asupra valorilor decimale existente in HTML 4.0, insotite de o descriere a lor in limba engleza.

Pentru a utiliza simboluri matematice in blocuri HTML folositi urmatoarea secventa:

&#dec;
unde “dec” este una din valorile decimale specificate mai jos.

!!! Simbolurile de mai jos nu vor fi afisate corespunzator in browsere mai vechi de anul 1997 sau in cele care nu suporta HTML 4.0.!!!

Simbol (&#dec;) Valoare decimala (dec) Descriere (in engleza)
∀ 8704 FOR ALL
∁ 8705 COMPLEMENT
∂ 8706 PARTIAL DIFFERENTIAL
∃ 8707 THERE EXISTS
∄ 8708 THERE DOES NOT EXIST
∅ 8709 EMPTY SET
∆ 8710 INCREMENT
∇ 8711 NABLA
∈ 8712 ELEMENT OF
∉ 8713 NOT AN ELEMENT OF
∊ 8714 SMALL ELEMENT OF
∋ 8715 CONTAINS AS MEMBER
∌ 8716 DOES NOT CONTAIN AS MEMBER
∍ 8717 SMALL CONTAINS AS MEMBER
∎ 8718 END OF PROOF
∏ 8719 N-ARY PRODUCT
∐ 2210 N-ARY COPRODUCT
∑ 2211 N-ARY SUMMATION
− 2212 MINUS SIGN
∓ 2213 MINUS-OR-PLUS SIGN
∔ 2214 DOT PLUS
∕ 2215 DIVISION SLASH
∖ 2216 SET MINUS
∗ 2217 ASTERISK OPERATOR
∘ 2218 RING OPERATOR
∙ 2219 BULLET OPERATOR
√ 221A SQUARE ROOT
∛ 221B CUBE ROOT
∜ 221C FOURTH ROOT
∝ 221D PROPORTIONAL TO
∞ 221E INFINITY
∟ 221F RIGHT ANGLE
∠ 2220 ANGLE
∡ 2221 MEASURED ANGLE
∢ 2222 SPHERICAL ANGLE
∣ 2223 DIVIDES
∤ 2224 DOES NOT DIVIDE
∥ 2225 PARALLEL TO
∦ 2226 NOT PARALLEL TO
∧ 2227 LOGICAL AND
∨ 2228 LOGICAL OR
∩ 2229 INTERSECTION
∪ 222A UNION
∫ 222B INTEGRAL
∬ 222C DOUBLE INTEGRAL
∭ 222D TRIPLE INTEGRAL
∮ 222E CONTOUR INTEGRAL
∯ 222F SURFACE INTEGRAL
∰ 2230 VOLUME INTEGRAL
∱ 2231 CLOCKWISE INTEGRAL
∲ 2232 CLOCKWISE CONTOUR INTEGRAL
∳ 2233 ANTICLOCKWISE CONTOUR INTEGRAL
∴ 2234 THEREFORE
∵ 2235 BECAUSE
∶ 2236 RATIO
∷ 2237 PROPORTION
∸ 2238 DOT MINUS
∹ 2239 EXCESS
∺ 223A GEOMETRIC PROPORTION
∻ 223B HOMOTHETIC
∼ 223C TILDE OPERATOR
∽ 223D REVERSED TILDE
∾ 223E INVERTED LAZY S
∿ 223F SINE WAVE
≀ 2240 WREATH PRODUCT
≁ 2241 NOT TILDE
≂ 2242 MINUS TILDE
≃ 2243 ASYMPTOTICALLY EQUAL TO
≄ 2244 NOT ASYMPTOTICALLY EQUAL TO
≅ 2245 APPROXIMATELY EQUAL TO
≆ 2246 APPROXIMATELY BUT NOT ACTUALLY EQUAL TO
≇ 2247 NEITHER APPROXIMATELY NOR ACTUALLY EQUAL TO
≈ 2248 ALMOST EQUAL TO
≉ 2249 NOT ALMOST EQUAL TO
≊ 224A ALMOST EQUAL OR EQUAL TO
≋ 224B TRIPLE TILDE
≌ 224C ALL EQUAL TO
≍ 224D EQUIVALENT TO
≎ 224E GEOMETRICALLY EQUIVALENT TO
≏ 224F DIFFERENCE BETWEEN
≐ 2250 APPROACHES THE LIMIT
≑ 2251 GEOMETRICALLY EQUAL TO
≒ 2252 APPROXIMATELY EQUAL TO OR THE IMAGE OF
≓ 2253 IMAGE OF OR APPROXIMATELY EQUAL TO
≔ 2254 COLON EQUALS
≕ 2255 EQUALS COLON
≖ 2256 RING IN EQUAL TO
≗ 2257 RING EQUAL TO
≘ 2258 CORRESPONDS TO
≙ 2259 ESTIMATES
≚ 225A EQUIANGULAR TO
≛ 225B STAR EQUALS
≜ 225C DELTA EQUAL TO
≝ 225D EQUAL TO BY DEFINITION
≞ 225E MEASURED BY
≟ 225F QUESTIONED EQUAL TO
≠ 2260 NOT EQUAL TO
≡ 2261 IDENTICAL TO
≢ 2262 NOT IDENTICAL TO
≣ 2263 STRICTLY EQUIVALENT TO
≤ 2264 LESS-THAN OR EQUAL TO
≥ 2265 GREATER-THAN OR EQUAL TO
≦ 2266 LESS-THAN OVER EQUAL TO
≧ 2267 GREATER-THAN OVER EQUAL TO
≨ 2268 LESS-THAN BUT NOT EQUAL TO
≩ 2269 GREATER-THAN BUT NOT EQUAL TO
≪ 226A MUCH LESS-THAN
≫ 226B MUCH GREATER-THAN
≬ 226C BETWEEN
≭ 226D NOT EQUIVALENT TO
≮ 226E NOT LESS-THAN
≯ 226F NOT GREATER-THAN
≰ 2270 NEITHER LESS-THAN NOR EQUAL TO
≱ 2271 NEITHER GREATER-THAN NOR EQUAL TO
≲ 2272 LESS-THAN OR EQUIVALENT TO
≳ 2273 GREATER-THAN OR EQUIVALENT TO
≴ 2274 NEITHER LESS-THAN NOR EQUIVALENT TO
≵ 2275 NEITHER GREATER-THAN NOR EQUIVALENT TO
≶ 2276 LESS-THAN OR GREATER-THAN
≷ 2277 GREATER-THAN OR LESS-THAN
≸ 2278 NEITHER LESS-THAN NOR GREATER-THAN
≹ 2279 NEITHER GREATER-THAN NOR LESS-THAN
≺ 227A PRECEDES
≻ 227B SUCCEEDS
≼ 227C PRECEDES OR EQUAL TO
≽ 227D SUCCEEDS OR EQUAL TO
≾ 227E PRECEDES OR EQUIVALENT TO
≿ 227F SUCCEEDS OR EQUIVALENT TO
⊀ 2280 DOES NOT PRECEDE
⊁ 2281 DOES NOT SUCCEED
⊂ 2282 SUBSET OF
⊃ 2283 SUPERSET OF
⊄ 2284 NOT A SUBSET OF
⊅ 2285 NOT A SUPERSET OF
⊆ 2286 SUBSET OF OR EQUAL TO
⊇ 2287 SUPERSET OF OR EQUAL TO
⊈ 2288 NEITHER A SUBSET OF NOR EQUAL TO
⊉ 2289 NEITHER A SUPERSET OF NOR EQUAL TO
⊊ 228A SUBSET OF WITH NOT EQUAL TO
⊋ 228B SUPERSET OF WITH NOT EQUAL TO
⊌ 228C MULTISET
⊍ 228D MULTISET MULTIPLICATION
⊎ 228E MULTISET UNION
⊏ 228F SQUARE IMAGE OF
⊐ 2290 SQUARE ORIGINAL OF
⊑ 2291 SQUARE IMAGE OF OR EQUAL TO
⊒ 2292 SQUARE ORIGINAL OF OR EQUAL TO
⊓ 2293 SQUARE CAP
⊔ 2294 SQUARE CUP
⊕ 2295 CIRCLED PLUS
⊖ 2296 CIRCLED MINUS
⊗ 2297 CIRCLED TIMES
⊘ 2298 CIRCLED DIVISION SLASH
⊙ 2299 CIRCLED DOT OPERATOR
⊚ 229A CIRCLED RING OPERATOR
⊛ 229B CIRCLED ASTERISK OPERATOR
⊜ 229C CIRCLED EQUALS
⊝ 229D CIRCLED DASH
⊞ 229E SQUARED PLUS
⊟ 229F SQUARED MINUS
⊠ 22A0 SQUARED TIMES
⊡ 22A1 SQUARED DOT OPERATOR
⊢ 22A2 RIGHT TACK
⊣ 22A3 LEFT TACK
⊤ 22A4 DOWN TACK
⊥ 22A5 UP TACK
⊦ 22A6 ASSERTION
⊧ 22A7 MODELS
⊨ 22A8 TRUE
⊩ 22A9 FORCES
⊪ 22AA TRIPLE VERTICAL BAR RIGHT TURNSTILE
⊫ 22AB DOUBLE VERTICAL BAR DOUBLE RIGHT TURNSTILE
⊬ 22AC DOES NOT PROVE
⊭ 22AD NOT TRUE
⊮ 22AE DOES NOT FORCE
⊯ 22AF NEGATED DOUBLE VERTICAL BAR DOUBLE RIGHT TURNSTILE
⊰ 22B0 PRECEDES UNDER RELATION
⊱ 22B1 SUCCEEDS UNDER RELATION
⊲ 22B2 NORMAL SUBGROUP OF
⊳ 22B3 CONTAINS AS NORMAL SUBGROUP
⊴ 22B4 NORMAL SUBGROUP OF OR EQUAL TO
⊵ 22B5 CONTAINS AS NORMAL SUBGROUP OR EQUAL TO
⊶ 22B6 ORIGINAL OF
⊷ 22B7 IMAGE OF
⊸ 22B8 MULTIMAP
⊹ 22B9 HERMITIAN CONJUGATE MATRIX
⊺ 22BA INTERCALATE
⊻ 22BB XOR
⊼ 22BC NAND
⊽ 22BD NOR
⊾ 22BE RIGHT ANGLE WITH ARC
⊿ 22BF RIGHT TRIANGLE
⋀ 22C0 N-ARY LOGICAL AND
⋁ 22C1 N-ARY LOGICAL OR
⋂ 22C2 N-ARY INTERSECTION
⋃ 22C3 N-ARY UNION
⋄ 22C4 DIAMOND OPERATOR
⋅ 22C5 DOT OPERATOR
⋆ 22C6 STAR OPERATOR
⋇ 22C7 DIVISION TIMES
⋈ 22C8 BOWTIE
⋉ 22C9 LEFT NORMAL FACTOR SEMIDIRECT PRODUCT
⋊ 22CA RIGHT NORMAL FACTOR SEMIDIRECT PRODUCT
⋋ 22CB LEFT SEMIDIRECT PRODUCT
⋌ 22CC RIGHT SEMIDIRECT PRODUCT
⋍ 22CD REVERSED TILDE EQUALS
⋎ 22CE CURLY LOGICAL OR
⋏ 22CF CURLY LOGICAL AND
⋐ 22D0 DOUBLE SUBSET
⋑ 22D1 DOUBLE SUPERSET
⋒ 22D2 DOUBLE INTERSECTION
⋓ 22D3 DOUBLE UNION
⋔ 22D4 PITCHFORK
⋕ 22D5 EQUAL AND PARALLEL TO
⋖ 22D6 LESS-THAN WITH DOT
⋗ 22D7 GREATER-THAN WITH DOT
⋘ 22D8 VERY MUCH LESS-THAN
⋙ 22D9 VERY MUCH GREATER-THAN
⋚ 22DA LESS-THAN EQUAL TO OR GREATER-THAN
⋛ 22DB GREATER-THAN EQUAL TO OR LESS-THAN
⋜ 22DC EQUAL TO OR LESS-THAN
⋝ 22DD EQUAL TO OR GREATER-THAN
⋞ 22DE EQUAL TO OR PRECEDES
⋟ 22DF EQUAL TO OR SUCCEEDS
⋠ 22E0 DOES NOT PRECEDE OR EQUAL
⋡ 22E1 DOES NOT SUCCEED OR EQUAL
⋢ 22E2 NOT SQUARE IMAGE OF OR EQUAL TO
⋣ 22E3 NOT SQUARE ORIGINAL OF OR EQUAL TO
⋤ 22E4 SQUARE IMAGE OF OR NOT EQUAL TO
⋥ 22E5 SQUARE ORIGINAL OF OR NOT EQUAL TO
⋦ 22E6 LESS-THAN BUT NOT EQUIVALENT TO
⋧ 22E7 GREATER-THAN BUT NOT EQUIVALENT TO
⋨ 22E8 PRECEDES BUT NOT EQUIVALENT TO
⋩ 22E9 SUCCEEDS BUT NOT EQUIVALENT TO
⋪ 22EA NOT NORMAL SUBGROUP OF
⋫ 22EB DOES NOT CONTAIN AS NORMAL SUBGROUP
⋬ 22EC NOT NORMAL SUBGROUP OF OR EQUAL TO
⋭ 22ED DOES NOT CONTAIN AS NORMAL SUBGROUP OR EQUAL
⋮ 22EE VERTICAL ELLIPSIS
⋯ 22EF MIDLINE HORIZONTAL ELLIPSIS
⋰ 22F0 UP RIGHT DIAGONAL ELLIPSIS
⋱ 22F1 DOWN RIGHT DIAGONAL ELLIPSIS
⋲ 22F2 ELEMENT OF WITH LONG HORIZONTAL STROKE

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