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Character    Numbered Entity    Named Entity
Unicode
Position		 Description Entity
Number		 HTML
Result		 Standards/Browser
Support		 Entity
Name		 HTML
Result		 Standards/Browser
Support
2200 For all ∀∀ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∀∀ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2202 Partial differential ∂∂ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∂∂ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2203 There exists ∃∃ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∃∃ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2205 Empty set;
Null set;
Diameter		 ∅∅ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∅∅ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2207 Nabla;
Backward difference		 ∇∇ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∇∇ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2208 Element of ∈∈ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∈∈ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2209 Not an element of ∉∉ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∉∉ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
220B Contains as member ∋∋ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∋∋ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
220F N-ary product;
Product sign		 ∏∏ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∏∏ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2211 N-ary sumation ∑∑ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∑∑ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2212 Minus sign −− [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] −− [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2217 Asterisk operator ∗∗ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∗∗ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
221A Square root;
Radical sign		 √√ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] √√ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
221D Proportional to ∝∝ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∝∝ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
221E Infinity ∞∞ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∞∞ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2220 Angle ∠∠ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∠∠ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2227 Logical and;
Wedge		 ⊥⊥ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∧∧ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2228 Logical or;
Vee		 ⊦⊦ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∨∨ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2229 Intersection;
Cap		 ∩∩ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∩∩ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
222A Union;
Cup		 ∪∪ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∪∪ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
222B Integral ∫∫ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∫∫ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2234 Therefore ∴∴ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∴∴ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
223C Tilde operator;
Varies with;
Similar to		 ∼∼ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ∼∼ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2245 Approximately equal to ≅≅ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ≅≅ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2248 Almost equal to;
Asymptotic to		 ≈≈ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ≈≈ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2260 Not equal to ≠≠ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ≠≠ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2261 Identical to ≡≡ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ≡≡ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2264 Less-than or equal to ≤≤ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ≤≤ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2265 Greater-than or equal to ≥≥ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ≥≥ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2282 Subset of ⊂⊂ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊂⊂ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2283 Superset of ⊃⊃ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊃⊃ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2284 Not a subset of ⊄⊄ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊄⊄ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2286 Subset of or equal to ⊆⊆ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊆⊆ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2287 Superset of or equal to ⊇⊇ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊇⊇ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2295 Circled plus;
Direct sum		 ⊕⊕ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊕⊕ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
2297 Circled times;
Vector product		 ⊗⊗ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊗⊗ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
22A5 Up tack;
Orthogonal to;
Perpendicular		 ⊥⊥ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⊥⊥ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]
22C5 Dot operator ⋅⋅ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N4|O6] ⋅⋅ [2|3|3.2|4] [X1|X1.1] [IE4B2|M|N6B1|O6]


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