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HTML Math Symbols

admin — Tue, 04 Aug 2009 11:33:57 +0000

Character entity references in HTML 4.

Entity names are case sensitive.

http://www.w3.org/TR/html4/sgml/entities.html

Character	Entity Number	Entity Name	Description
∀	∀	∀	for all
∂	∂	∂	partial differential
∃	∃	&exists;	there exists
∅	∅	∅	empty set
∇	∇	∇	nabla
∈	∈	∈	element of
∉	∉	∉	not an element of
∋	∋	∋	contains as member
∏	∏	∏	n-ary product
∑	∑	∑	n-ary summation
−	−	−	minus sign
∗	∗	∗	asterisk operator
√	√	√	square root
∝	∝	∝	proportional to
∞	∞	∞	infinity
∠	∠	∠	angle
∧	∧	∧	logical and
∨	∨	∨	logical or
∩	∩	∩	intersection
∪	∪	∪	union
∫	∫	∫	integral
∴	∴	∴	therefore
∼	∼	∼	tilde operator
≅	≅	≅	congruent to
≈	≈	≈	almost equal to
≠	≠	≠	not equal to
≡	≡	≡	identical to
≤	≤	≤	less-than or equal to
≥	≥	≥	greater-than or equal to
⊂	⊂	⊂	subset of
⊃	⊃	⊃	superset of
⊄	⊄	⊄	not a subset of
⊆	⊆	⊆	subset of or equal to
⊇	⊇	⊇	superset of or equal to
⊕	⊕	⊕	circled plus
⊗	⊗	⊗	circled times
⊥	⊥	⊥	up tack
⋅	⋅	⋅	dot operator