Math Symbols

Character	Entity Number	Entity Name	Description
∀	∀	∀	for all
∂	∂	∂	part
∃	∃	∃	exists
∅	∅	∅	empty
∇	∇	∇	nabla
∈	∈	∈	isin
∉	∉	∉	notin
∋	∋	&ni;	ni
∏	∏	∏	prod
∑	∑	∑	sum
−	−	−	minus
∗	∗	&lowast;	lowast
√	√	√	square root
∝	∝	&prop;	proportional to
∞	∞	∞	infinity
∠	∠	&ang;	angle
∧	∧	&and;	and
∨	∨	&or;	or
∩	∩	∩	cap
∪	∪	∪	cup
∫	∫	∫	integral
∴	∴	&there4;	therefore
∼	∼	&sim;	similar to
≅	≅	&cong;	congruent to
≈	≈	≈	almost equal
≠	≠	≠	not equal
≡	≡	&equiv;	equivalent
≤	≤	≤	less or equal
≥	≥	≥	greater or equal
⊂	⊂	⊂	subset of
⊃	⊃	⊃	superset of
⊄	⊄	&nsub;	not subset of
⊆	⊆	&sube;	subset or equal
⊇	⊇	&supe;	superset or equal
⊕	⊕	&oplus;	circled plus
⊗	⊗	&otimes;	circled times
⊥	⊥	&perp;	perpendicular
⋅	⋅	⋅	dot operator