HTML Symbol Entities Reference
177B1±±±plus or minus sign
188BC¼¼¼one quarter fraction
189BD½½½one half fraction
190BE¾¾¾three quarters fraction
215D7×××multiplication sign
247F7÷÷÷division sign
87042200∀∀∀for all
87062202∂∂∂partial differential
87072203∃∃∃there exists
87092205∅∅∅empty set = null set = diameter
87112207∇∇∇nabla = backward difference
87122208∈∈∈element of
87132209∉∉∉not an element of
8715220B∋∋∋contains as member
8719220F∏∏∏n-ary product = product sign
87212211∑∑∑n-ary sumation
87222212−−−minus sign
87272217∗∗∗asterisk operator
8730221A√√√square root = radical sign
8733221D∝∝∝proportional to
8734221E∞∞∞infinity
87362220∠∠∠angle
87432227∧∧∧logical and = wedge
87442228∨∨∨logical or = vee
87452229∩∩∩intersection = cap
8746222A∪∪∪union = cup
8747222B∫∫∫integral
87562234∴∴∴therefore
8764223C∼∼∼tilde operator = varies with = similar to (is NOT the same character as the tilde)
87732245≅≅≅approximately equal to
87762248≈≈≈almost equal to = asymptotic to
88002260≠≠≠not equal to
88012261≡≡≡identical to
88042264≤≤≤less-than or equal to
88052265≥≥≥greater-than or equal to
88342282⊂⊂⊂subset of
88352283⊃⊃⊃superset of
88362284⊄⊄⊄not a subset of
88382286⊆⊆⊆subset of or equal to
88392287⊇⊇⊇superset of or equal to
88532295⊕⊕⊕circled plus = direct sum
88552297⊗⊗⊗circled times = vector product
886922A5⊥⊥⊥up tack = orthogonal to = perpendicular
890122C5⋅⋅⋅dot operator
188BC¼¼¼one quarter fraction
189BD½½½one half fraction
190BE¾¾¾three quarters fraction
215D7×××multiplication sign
247F7÷÷÷division sign
87042200∀∀∀for all
87062202∂∂∂partial differential
87072203∃∃∃there exists
87092205∅∅∅empty set = null set = diameter
87112207∇∇∇nabla = backward difference
87122208∈∈∈element of
87132209∉∉∉not an element of
8715220B∋∋∋contains as member
8719220F∏∏∏n-ary product = product sign
87212211∑∑∑n-ary sumation
87222212−−−minus sign
87272217∗∗∗asterisk operator
8730221A√√√square root = radical sign
8733221D∝∝∝proportional to
8734221E∞∞∞infinity
87362220∠∠∠angle
87432227∧∧∧logical and = wedge
87442228∨∨∨logical or = vee
87452229∩∩∩intersection = cap
8746222A∪∪∪union = cup
8747222B∫∫∫integral
87562234∴∴∴therefore
8764223C∼∼∼tilde operator = varies with = similar to (is NOT the same character as the tilde)
87732245≅≅≅approximately equal to
87762248≈≈≈almost equal to = asymptotic to
88002260≠≠≠not equal to
88012261≡≡≡identical to
88042264≤≤≤less-than or equal to
88052265≥≥≥greater-than or equal to
88342282⊂⊂⊂subset of
88352283⊃⊃⊃superset of
88362284⊄⊄⊄not a subset of
88382286⊆⊆⊆subset of or equal to
88392287⊇⊇⊇superset of or equal to
88532295⊕⊕⊕circled plus = direct sum
88552297⊗⊗⊗circled times = vector product
886922A5⊥⊥⊥up tack = orthogonal to = perpendicular
890122C5⋅⋅⋅dot operator
