Copiable Symbols

Try copying the symbol from the Unicode column. If it doesn't succeed then type the ASCII equivalent from the keyboard.

Name	Unicode	ASCII
Epsilon	ε	e
Empty set	∅	{}
Superscript plus	⁺	^+
Superscript digits	⁰¹²³⁴⁵⁶⁷⁸⁹	^0 ^1 etc.
Subscript digits	₀₁₂₃₄₅₆₇₈₉	_0 _1 etc.
Superscript letters	ᵃᵇᶜᵈᵉᶠᵍʰⁱʲᵏˡᵐⁿᵒᵖʳˢᵗᵘᵛʷˣʸᶻ	^a ^n etc.
Subset	⊂	subset of
Element of a set	∈	in
Not an element of a set	∉	not in
Union of sets	∪	union or U
Intersection of sets	∩	intersect
Greek letter "phi"	ϕ	phi
Greek letter "psi"	Ψ	psi
Greek letter "Sigma"	Σ	Sigma or E
Right arrow	→	->
Less than or equal	≤	<=
Greater than or equal	≥	>=