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Math Entities: Algebra, Geometry, Calculus, Logic, etc.

HTML Math Entities for Algebra, Geometry, Calculus, Logic, and Set Theory
Basic Math
DecHexEntitySymbolDescription
++++Plus Sign
−−−−Minus Sign
××××Multiplication Sign
÷÷÷÷Division Sign
&#60;&#x3C;&lt;<Less Than
&#61;&#x3D;&equals;=Equal
&#62;&#x3E;&gt;>Greater Than
&#8800;&#x2260;&ne;≠Not Equal
&#8804;&#x2264;&le;≤Less-Than or Equal
&#8805;&#x2265;&ge;≥Greater-Than or Equal
&#37;&#x25;&percent;%Percent
&#137;&#x89;&permil;‰Per Mille
&#8241;&#x2031;&pertenk;‱Per Ten Thousand
&#8733;&#x221D;&prop;∝Proportional
&#8758;&#x2236;&ratio;∶Ratio
&#8759;&#x2237;&Colon;∷Proportion
&#124;&#x7C;&vert;|Absolute Value
&#8968;&#x2308;&lceil;⌈Left Ceiling
&#8969;&#x2309;&rceil;⌉Right Ceiling
&#8970;&#x230A;&lfloor;⌊Left Floor
&#8971;&#x230B;&rfloor;⌋Right Floor
Algebra
DecHexEntitySymbolDescription
&#177;&#xB1;&plusmn;±Plus-Minus Sign
&#178;&#xB2;&sup2;²Superscript Two
&#179;&#xB3;&sup3;³Superscript Three
&#185;&#xB9;&sup1;¹Superscript One
&#186;&#xBA;&ordm;ºMasculine Ordinal Indicator
&#8473;&#x2119;&primes;ℙPrime Numbers
&#8469;&#x2115;&naturals;ℕNatural Numbers
&#8484;&#x2124;&integers;ℤIntegers
&#8474;&#x211A;&rationals;ℚRational Numbers
&#8477;&#x211D;&reals;ℝReal Numbers
&#8450;&#x2102;&complexes;ℂComplex Numbers
&#8461;&#x2100;&quaternions;ℍQuaternion Numbers
&#8730;&#x221A;&radic;√Square Root
&#8731;&#x221B;∛Cube Root
&#8732;&#x221C;∜Fourth Root
&#8260;&#x2044;&frasl;⁄Fraction Slash
&#402;&#x192;&fnof;ƒFunction
&#8728;&#x2218;&compfn;∘Function Composition
Geometry
DecHexEntitySymbolDescription
&#8735;&#x221F;∟Right Angle
&#8736;&#x2220;∠Angle
&#8737;&#x2221;∡Measured Angle
&#8738;&#x2222;∢Spherical Angle
&#8741;&#x2225;∥Parallel
&#8742;&#x2226;∦Not Parallel
&#8797;&#x225D;≝Equal by Definition
&#8894;&#x22BE;⊾Right Angle with Arc
&#8895;&#x22BF;⊿Right Triangle
&#8764;&#x223C;&sim;∼Similar
&#8773;&#x2245;&cong;≅Congruent
&#8869;&#x22A5;&perp;⊥Perpendicular
Number Theory
&#8739;&#x2223;∣Divides
&#8740;&#x2224;∤Does Not Divide
Trigonometry
&#960;&#x3C0;&pi;πPi
&#176;&#xB0;&deg;°Degree
Calculus
DecHexEntitySymbolDescription
&#8242;&#x2032;&prime;′Prime
&#8243;&#x2033;&Prime;″Double Prime
&#8244;&#x2034;&tprime;‴Triple Prime
&#8279;&#x2057;&qprime;⁗Quadruple Prime
&#8518;&#x2146;&dd;ⅆSmall D Differentiatial
&#8517;&#x2145;&DD;ⅅCapital D Differentiatial
&#8706;&#x2202;&part;∂Partial Differentiatial
&#8710;&#x2206;∆Increment or Change in
&#8711;&#x2207;&Del;∇Del or Nabla Operator
&#8747;&#x222B;&int;∫Single Integral
&#8748;&#x222C;&Int;∬Double Integral
&#8749;&#x222D;&iiint;∭Triple Integral
&#10764;&#x2A0C;⨌Quadruple Integral
&#8750;&#x222E;&conint;∮Contour Integral
&#8751;&#x222F;∯Surface Integral
&#8752;&#x2230;∰Volume Integral
&#8753;&#x2231;&int;∱Clockwise Integral
&#8754;&#x2232;∲Clockwise Contour Integral
&#8755;&#x2233;∳Counterclockwise Contour Integral
&#8500;&#x2134;&order;ℴOrder of
&#8734;&#x221E;&infin;∞Infinity
&#8721;&#x2211;&sum;∑Summation
&#8719;&#x220F;&prod;∏Product
&#8472;&#x2118;&weierp;℘Weierstrauss's Elliptic Functions
&#8459;&#x210B;ℋHilbert Space
&#8476;&#x211C;&real;ℜReal Part
&#8465;&#x2111;&image;ℑImaginary Part
&#8776;&#x2248;&asymp;≈Approximately Equal
&#8801;&#x2261;&equiv;≡Identically Equal
Logic
DecHexEntitySymbolDescription
&#172;&#xAC;&not;¬Not Sign
&#8594;&#x2192;&rarr;→If Then
&#8596;&#x2194;&harr;↔If and Only If
&#8658;&#x21D2;&rArr;⇒Implies
&#8660;&#x21D4;&hArr;⇔Double Implication
&#8704;&#x2200;&forall;∀For All
&#8707;&#x2203;&exist;∃There Exists
&#8708;&#x2204;&nexist;∄There Does Not Exist
&#8718;&#x220E;∎End of Proof
&#8743;&#x2227;&and;∧Logical And
&#8744;&#x2228;&or;∨Logical Or
&#8756;&#x2234;&there4;∴Therefore
&#8757;&#x2235;&because;∵Because
&#8891;&#x22BB;⊻Exclusive-Or (Xor)
&#8892;&#x22BC;⊼Not-And (Nand)
&#8893;&#x22BD;⊽Nor-Or (Nor)
Set Theory
DecHexEntitySymbolDescription
&#8501;&#x2135;&alefsym;ℵAlef Symbol
&#8705;&#x2201;&comp;∁Complement
&#8709;&#x2205;&empty;∅The Empty Set
&#8710;&#x2206;∆Symmetric Difference
&#8712;&#x2208;&isin;∈Element Of
&#8713;&#x2209;&notin;∉Not an Element of
&#8714;&#x220A;∊Small element of
&#8715;&#x220B;&ni;∋Contains as a member, Such That
&#8716;&#x220C;&notni;∌Does Not Contain
&#8717;&#x220D;∍Small contains as a member
&#8722;&#x2212;&minus;−Difference
&#8745;&#x2229;&cap;∩Intersection
&#8746;&#x222A;&cup;∪Union
&#8834;&#x2282;&sub;⊂Subset of
&#8835;&#x2283;&sup;⊃Superset of
&#8836;&#x2284;&nsub;⊄Not a Subset of
&#8837;&#x2285;⊅Not a Superset of
&#8838;&#x2286;&sube;⊆Subset or Equal
&#8839;&#x2287;&supe;⊇Superset or Equal
&#8840;&#x2288;⊈Neither a Subset of Nor Equal
&#8841;&#x2289;⊉Neither a Superset of Nor Equal
&#8726;&#x2216;&setmn;∖Setwise Difference
 
 

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