HTML 4.0+
XHTML 1.0–1.1

Deze karakterentiteiten zijn gemaakt voor symbolen, wiskundige symbolen en Griekse letters. (sic)

In XML-toepassingen, met uitzondering van XHTML 1, moet gebruik van deze entiteiten als volgt worden aangekondigd binnen de DOCTYPE-declaratie:
<!ENTITY % HTMLsymbol PUBLIC "-//W3C//ENTITIES Symbols//EN//HTML"> %HTMLsymbol;
In HTML zijn deze entiteiten automatisch beschikbaar.

Merk op dat de entiteiten &lang; en &rang; vóór HTML5 naar andere karakters verwezen (die er overigens hetzelfde uitzien). Met bovenstaande ENTITY-declaratie wordt verwezen naar de oude karakters.

Latijn Uitgebreid-B

latin small letter f with hook

&fnof;

Grieks

Α	greek capital letter alpha	Α	Α	Α
Β	greek capital letter beta	Β	Β	Β
Γ	greek capital letter gamma	Γ	Γ	Γ
Δ	greek capital letter delta	Δ	Δ	Δ
Ε	greek capital letter epsilon	Ε	Ε	Ε
Ζ	greek capital letter zeta	Ζ	Ζ	Ζ
Η	greek capital letter eta	Η	Η	Η
Θ	greek capital letter theta	Θ	Θ	Θ
Ι	greek capital letter iota	Ι	Ι	Ι
Κ	greek capital letter kappa	Κ	Κ	Κ
Λ	greek capital letter lamda	Λ	Λ	Λ
Μ	greek capital letter mu	Μ	Μ	Μ
Ν	greek capital letter nu	Ν	Ν	Ν
Ξ	greek capital letter xi	Ξ	Ξ	Ξ
Ο	greek capital letter omicron	Ο	Ο	Ο
Π	greek capital letter pi	Π	Π	Π
Ρ	greek capital letter rho	Ρ	Ρ	Ρ
Σ	greek capital letter sigma	Σ	Σ	Σ
Τ	greek capital letter tau	Τ	Τ	Τ
Υ	greek capital letter upsilon	Υ	Υ	Υ
Φ	greek capital letter phi	Φ	Φ	Φ
Χ	greek capital letter chi	Χ	Χ	Χ
Ψ	greek capital letter psi	Ψ	Ψ	Ψ
Ω	greek capital letter omega	Ω	Ω	Ω
α	greek small letter alpha	α	α	α
β	greek small letter beta	β	β	β
γ	greek small letter gamma	γ	γ	γ
δ	greek small letter delta	δ	δ	δ
ε	greek small letter epsilon	ε	ε	ε
ζ	greek small letter zeta	ζ	ζ	ζ
η	greek small letter eta	η	η	η
θ	greek small letter theta	θ	θ	θ
ι	greek small letter iota	ι	ι	ι
κ	greek small letter kappa	κ	κ	κ
λ	greek small letter lamda	λ	λ	λ
μ	greek small letter mu	μ	μ	μ
ν	greek small letter nu	ν	ν	ν
ξ	greek small letter xi	ξ	ξ	ξ
ο	greek small letter omicron	ο	ο	ο
π	greek small letter pi	π	π	π
ρ	greek small letter rho	ρ	ρ	ρ
ς	greek small letter final sigma	&sigmaf;	ς	ς
σ	greek small letter sigma	σ	σ	σ
τ	greek small letter tau	τ	τ	τ
υ	greek small letter upsilon	υ	υ	υ
φ	greek small letter phi	φ	φ	φ
χ	greek small letter chi	χ	χ	χ
ψ	greek small letter psi	ψ	ψ	ψ
ω	greek small letter omega	ω	ω	ω
ϑ	greek theta symbol	&thetasym;	ϑ	ϑ
ϒ	greek upsilon with hook symbol	&upsih;	ϒ	ϒ
ϖ	greek pi symbol	ϖ	ϖ	ϖ

Algemene leestekens

•	bullet	•	•	•
…	horizontal ellipsis	…	…	…
′	prime	′	′	′
″	double prime	″	″	″
‾	overline	&oline;	‾	‾
⁄	fraction slash	&frasl;	⁄	⁄

Symbolen die op letters lijken

℘	script capital p	&weierp;	℘	℘
ℑ	black-letter capital i	&image;	ℑ	ℑ
ℜ	black-letter capital r	&real;	ℜ	ℜ
™	trade mark sign	™	™	™
ℵ	alef symbol	&alefsym;	ℵ	ℵ

Pijlen

←	leftwards arrow	←	←	←
↑	upwards arrow	↑	↑	↑
→	rightwards arrow	→	→	→
↓	downwards arrow	↓	↓	↓
↔	left right arrow	↔	↔	↔
↵	downwards arrow with corner leftwards	&crarr;	↵	↵
⇐	leftwards double arrow	⇐	⇐	⇐
⇑	upwards double arrow	&uArr;	⇑	⇑
⇒	rightwards double arrow	⇒	⇒	⇒
⇓	downwards double arrow	&dArr;	⇓	⇓
⇔	left right double arrow	⇔	⇔	⇔

Wiskundige operatoren

∀	for all	∀	∀	∀
∂	partial differential	∂	∂	∂
∃	there exists	∃	∃	∃
∅	empty set	∅	∅	∅
∇	nabla	∇	∇	∇
∈	element of	∈	∈	∈
∉	not an element of	∉	∉	∉
∋	contains as member	&ni;	∋	∋
∏	n-ary product	∏	∏	∏
∑	n-ary summation	∑	∑	∑
−	minus sign	−	−	−
∗	asterisk operator	&lowast;	∗	∗
√	square root	√	√	√
∝	proportional to	&prop;	∝	∝
∞	infinity	∞	∞	∞
∠	angle	&ang;	∠	∠
∧	logical and	&and;	∧	∧
∨	logical or	&or;	∨	∨
∩	intersection	∩	∩	∩
∪	union	∪	∪	∪
∫	integral	∫	∫	∫
∴	therefore	&there4;	∴	∴
∼	tilde operator	&sim;	∼	∼
≅	approximately equal to	&cong;	≅	≅
≈	almost equal to	≈	≈	≈
≠	not equal to	≠	≠	≠
≡	identical to	&equiv;	≡	≡
≤	less-than or equal to	≤	≤	≤
≥	greater-than or equal to	≥	≥	≥
⊂	subset of	⊂	⊂	⊂
⊃	superset of	⊃	⊃	⊃
⊄	not a subset of	&nsub;	⊄	⊄
⊆	subset of or equal to	&sube;	⊆	⊆
⊇	superset of or equal to	&supe;	⊇	⊇
⊕	circled plus	&oplus;	⊕	⊕
⊗	circled times	&otimes;	⊗	⊗
⊥	up tack	&perp;	⊥	⊥
⋅	dot operator	⋅	⋅	⋅

Diverse technische symbolen

⌈	left ceiling	&lceil;	⌈	⌈
⌉	right ceiling	&rceil;	⌉	⌉
⌊	left floor	&lfloor;	⌊	⌊
⌋	right floor	&rfloor;	⌋	⌋
⟨	mathematical left angle bracket	&lang;	⟨	⟨
⟩	mathematical right angle bracket	&rang;	⟩	⟩