HTML 字符集

UTF-8 数学运算符

上一篇： UTF-8 箭头 下一篇： UTF-8 制表符

范围：十进制 8704-8959，十六进制 2200-22FF。

如果您想要在 HTML 中显示这些字符，您可以使用下表中的 HTML 实体。

如果字符没有 HTML 实体，您可以使用十进制或十六进制引用。

实例

<p>我将显示 &sum;<p>
<p>我将显示 &#8721;<p>
<p>我将显示 &#x2211;<p>

结果如下：

我将显示 ∑
我将显示 ∑
我将显示 ∑

并非下表中的所有实体都能在所有的浏览器中正确地显示。

目前，IE 11 是唯一一个能正确显示所有 HTML5 实体的浏览器。

字符 十进制 十六进制 实体 名称
87042200&forall;FOR ALL
87052201 COMPLEMENT
87062202&part;PARTIAL DIFFERENTIAL
87072203&exist;THERE EXISTS
87082204 THERE DOES NOT EXIST
87092205&empty;EMPTY SET
87102206 INCREMENT
87112207&nabla;NABLA
∈87122208&isin;ELEMENT OF
87132209&notin;NOT AN ELEMENT OF
8714220A SMALL ELEMENT OF
8715220B&ni;CONTAINS AS MEMBER
8716220C DOES NOT CONTAIN AS MEMBER
8717220D SMALL CONTAINS AS MEMBER
8718220E END OF PROOF
∏8719220F&prod;N-ARY PRODUCT
87202210 N-ARY COPRODUCT
∑87212211&sum;N-ARY SUMMATION
-87222212&minus;MINUS SIGN
87232213 MINUS-OR-PLUS SIGN
87242214 DOT PLUS
∕87252215 DIVISION SLASH
\87262216 SET MINUS
*87272217&lowast;ASTERISK OPERATOR
87282218 RING OPERATOR
o87292219 BULLET OPERATOR
√8730221A&radic;SQUARE ROOT
8731221B CUBE ROOT
8732221C FOURTH ROOT
∝8733221D&prop;PROPORTIONAL TO
∞8734221E&infin;INFINITY
∟8735221F RIGHT ANGLE
∠87362220&ang;ANGLE
87372221 MEASURED ANGLE
87382222 SPHERICAL ANGLE
∣87392223 DIVIDES
87402224 DOES NOT DIVIDE
∥87412225 PARALLEL TO
87422226 NOT PARALLEL TO
∧87432227&and;LOGICAL AND
∨87442228&or;LOGICAL OR
∩87452229&cap;INTERSECTION
∪8746222A&cup;UNION
∫8747222B&int;INTEGRAL
∫∫8748222C DOUBLE INTEGRAL
∫∫∫8749222D TRIPLE INTEGRAL
∮8750222E CONTOUR INTEGRAL
∮∮8751222F SURFACE INTEGRAL
∮∮∮87522230 VOLUME INTEGRAL
87532231 CLOCKWISE INTEGRAL
87542232 CLOCKWISE CONTOUR INTEGRAL
87552233 ANTICLOCKWISE CONTOUR INTEGRAL
∴87562234&there4;THEREFORE
∵87572235 BECAUSE
∶87582236 RATIO
∷87592237 PROPORTION
87602238 DOT MINUS
87612239 EXCESS
8762223A GEOMETRIC PROPORTION
8763223B HOMOTHETIC
~8764223C&sim;TILDE OPERATOR
∽8765223D REVERSED TILDE
8766223E INVERTED LAZY S
8767223F SINE WAVE
87682240 WREATH PRODUCT
87692241 NOT TILDE
87702242 MINUS TILDE
87712243 ASYMPTOTICALLY EQUAL TO
87722244 NOT ASYMPTOTICALLY EQUAL TO
87732245&cong;APPROXIMATELY EQUAL TO
87742246 APPROXIMATELY BUT NOT ACTUALLY EQUAL TO
87752247 NEITHER APPROXIMATELY NOR ACTUALLY EQUAL TO
≈87762248&asymp;ALMOST EQUAL TO
87772249 NOT ALMOST EQUAL TO
8778224A ALMOST EQUAL OR EQUAL TO
8779224B TRIPLE TILDE
≌8780224C ALL EQUAL TO
8781224D EQUIVALENT TO
8782224E GEOMETRICALLY EQUIVALENT TO
8783224F DIFFERENCE BETWEEN
87842250 APPROACHES THE LIMIT
87852251 GEOMETRICALLY EQUAL TO
≒87862252 APPROXIMATELY EQUAL TO OR THE IMAGE OF
87872253 IMAGE OF OR APPROXIMATELY EQUAL TO
87882254 COLON EQUALS
87892255 EQUALS COLON
87902256 RING IN EQUAL TO
87912257 RING EQUAL TO
87922258 CORRESPONDS TO
87932259 ESTIMATES
8794225A EQUIANGULAR TO
8795225B STAR EQUALS
8796225C DELTA EQUAL TO
8797225D EQUAL TO BY DEFINITION
8798225E MEASURED BY
8799225F QUESTIONED EQUAL TO
≠88002260&ne;NOT EQUAL TO
≡88012261&equiv;IDENTICAL TO
88022262 NOT IDENTICAL TO
88032263 STRICTLY EQUIVALENT TO
≤88042264&le;LESS-THAN OR EQUAL TO
≥88052265&ge;GREATER-THAN OR EQUAL TO
≦88062266 LESS-THAN OVER EQUAL TO
≧88072267 GREATER-THAN OVER EQUAL TO
88082268 LESS-THAN BUT NOT EQUAL TO
88092269 GREATER-THAN BUT NOT EQUAL TO
<<8810226A MUCH LESS-THAN
>>8811226B MUCH GREATER-THAN
8812226C BETWEEN
8813226D NOT EQUIVALENT TO
≮8814226E NOT LESS-THAN
≯8815226F NOT GREATER-THAN
88162270 NEITHER LESS-THAN NOR EQUAL TO
88172271 NEITHER GREATER-THAN NOR EQUAL TO
88182272 LESS-THAN OR EQUIVALENT TO
88192273 GREATER-THAN OR EQUIVALENT TO
88202274 NEITHER LESS-THAN NOR EQUIVALENT TO
88212275 NEITHER GREATER-THAN NOR EQUIVALENT TO
88222276 LESS-THAN OR GREATER-THAN
88232277 GREATER-THAN OR LESS-THAN
88242278 NEITHER LESS-THAN NOR GREATER-THAN
88252279 NEITHER GREATER-THAN NOR LESS-THAN
8826227A PRECEDES
8827227B SUCCEEDS
8828227C PRECEDES OR EQUAL TO
8829227D SUCCEEDS OR EQUAL TO
8830227E PRECEDES OR EQUIVALENT TO
8831227F SUCCEEDS OR EQUIVALENT TO
88322280 DOES NOT PRECEDE
88332281 DOES NOT SUCCEED
88342282&sub;SUBSET OF
88352283&sup;SUPERSET OF
88362284&nsub;NOT A SUBSET OF
88372285 NOT A SUPERSET OF
88382286&sube;SUBSET OF OR EQUAL TO
88392287&supe;SUPERSET OF OR EQUAL TO
88402288 NEITHER A SUBSET OF NOR EQUAL TO
88412289 NEITHER A SUPERSET OF NOR EQUAL TO
8842228A SUBSET OF WITH NOT EQUAL TO
8843228B SUPERSET OF WITH NOT EQUAL TO
8844228C MULTISET
8845228D MULTISET MULTIPLICATION
8846228E MULTISET UNION
8847228F SQUARE IMAGE OF
88482290 SQUARE ORIGINAL OF
88492291 SQUARE IMAGE OF OR EQUAL TO
88502292 SQUARE ORIGINAL OF OR EQUAL TO
88512293 SQUARE CAP
88522294 SQUARE CUP
⊕88532295&oplus;CIRCLED PLUS
88542296 CIRCLED MINUS
88552297&otimes;CIRCLED TIMES
88562298 CIRCLED DIVISION SLASH
⊙88572299 CIRCLED DOT OPERATOR
8858229A CIRCLED RING OPERATOR
8859229B CIRCLED ASTERISK OPERATOR
8860229C CIRCLED EQUALS
8861229D CIRCLED DASH
8862229E SQUARED PLUS
8863229F SQUARED MINUS
886422A0 SQUARED TIMES
886522A1 SQUARED DOT OPERATOR
886622A2 RIGHT TACK
886722A3 LEFT TACK
886822A4 DOWN TACK
⊥886922A5&perp;UP TACK
887022A6 ASSERTION
887122A7 MODELS
887222A8 TRUE
887322A9 FORCES
887422AA TRIPLE VERTICAL BAR RIGHT TURNSTILE
887522AB DOUBLE VERTICAL BAR DOUBLE RIGHT TURNSTILE
887622AC DOES NOT PROVE
887722AD NOT TRUE
887822AE DOES NOT FORCE
887922AF NEGATED DOUBLE VERTICAL BAR DOUBLE RIGHT TURNSTILE
888022B0 PRECEDES UNDER RELATION
888122B1 SUCCEEDS UNDER RELATION
888222B2 NORMAL SUBGROUP OF
888322B3 CONTAINS AS NORMAL SUBGROUP
888422B4 NORMAL SUBGROUP OF OR EQUAL TO
888522B5 CONTAINS AS NORMAL SUBGROUP OR EQUAL TO
888622B6 ORIGINAL OF
888722B7 IMAGE OF
888822B8 MULTIMAP
888922B9 HERMITIAN CONJUGATE MATRIX
889022BA INTERCALATE
889122BB XOR
889222BC NAND
889322BD NOR
889422BE RIGHT ANGLE WITH ARC
⊿889522BF RIGHT TRIANGLE
889622C0 N-ARY LOGICAL AND
889722C1 N-ARY LOGICAL OR
889822C2 N-ARY INTERSECTION
889922C3 N-ARY UNION
890022C4 DIAMOND OPERATOR
·890122C5&sdot;DOT OPERATOR
890222C6 STAR OPERATOR
890322C7 DIVISION TIMES
890422C8 BOWTIE
890522C9 LEFT NORMAL FACTOR SEMIDIRECT PRODUCT
890622CA RIGHT NORMAL FACTOR SEMIDIRECT PRODUCT
890722CB LEFT SEMIDIRECT PRODUCT
890822CC RIGHT SEMIDIRECT PRODUCT
890922CD REVERSED TILDE EQUALS
891022CE CURLY LOGICAL OR
891122CF CURLY LOGICAL AND
891222D0 DOUBLE SUBSET
891322D1 DOUBLE SUPERSET
891422D2 DOUBLE INTERSECTION
891522D3 DOUBLE UNION
891622D4 PITCHFORK
891722D5 EQUAL AND PARALLEL TO
891822D6 LESS-THAN WITH DOT
891922D7 GREATER-THAN WITH DOT
<<<892022D8 VERY MUCH LESS-THAN
>>>892122D9 VERY MUCH GREATER-THAN
892222DA LESS-THAN EQUAL TO OR GREATER-THAN
892322DB GREATER-THAN EQUAL TO OR LESS-THAN
892422DC EQUAL TO OR LESS-THAN
892522DD EQUAL TO OR GREATER-THAN
892622DE EQUAL TO OR PRECEDES
892722DF EQUAL TO OR SUCCEEDS
892822E0 DOES NOT PRECEDE OR EQUAL
892922E1 DOES NOT SUCCEED OR EQUAL
893022E2 NOT SQUARE IMAGE OF OR EQUAL TO
893122E3 NOT SQUARE ORIGINAL OF OR EQUAL TO
893222E4 SQUARE IMAGE OF OR NOT EQUAL TO
893322E5 SQUARE ORIGINAL OF OR NOT EQUAL TO
893422E6 LESS-THAN BUT NOT EQUIVALENT TO
893522E7 GREATER-THAN BUT NOT EQUIVALENT TO
893622E8 PRECEDES BUT NOT EQUIVALENT TO
893722E9 SUCCEEDS BUT NOT EQUIVALENT TO
893822EA NOT NORMAL SUBGROUP OF
893922EB DOES NOT CONTAIN AS NORMAL SUBGROUP
894022EC NOT NORMAL SUBGROUP OF OR EQUAL TO
894122ED DOES NOT CONTAIN AS NORMAL SUBGROUP OR EQUAL
894222EE VERTICAL ELLIPSIS
···894322EF MIDLINE HORIZONTAL ELLIPSIS
894422F0 UP RIGHT DIAGONAL ELLIPSIS
894522F1 DOWN RIGHT DIAGONAL ELLIPSIS
894622F2 ELEMENT OF WITH LONG HORIZONTAL STROKE
894722F3 ELEMENT OF WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
894822F4 SMALL ELEMENT OF WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
894922F5 ELEMENT OF WITH DOT ABOVE
895022F6 ELEMENT OF WITH OVERBAR
895122F7 SMALL ELEMENT OF WITH OVERBAR
895222F8 ELEMENT OF WITH UNDERBAR
895322F9 ELEMENT OF WITH TWO HORIZONTAL STROKES
895422FA CONTAINS WITH LONG HORIZONTAL STROKE
895522FB CONTAINS WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
895622FC SMALL CONTAINS WITH VERTICAL BAR AT END OF HORIZONTAL STROKE
895722FD CONTAINS WITH OVERBAR
895822FE SMALL CONTAINS WITH OVERBAR
895922FF Z NOTATION BAG MEMBERSHIP
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