HTML 4.01 / XHTML 1.0 参考手册(10)

HTML 4.01 符号实体

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本字符实体参考手册包括了数学符号、希腊字符、各种箭头记号、科技符号以及形状。

注释：实体名称对大小写敏感。

HTML 支持的数学符号

结果	描述	实体名称	实体编号
∀	for all	∀	∀
∂	part	∂	∂
∃	exists	&exists;	∃
∅	empty	∅	∅
∇	nabla	∇	∇
∈	isin	∈	∈
∉	notin	∉	∉
∋	ni	∋	∋
∏	prod	∏	∏
∑	sum	∑	∑
−	minus	−	−
∗	lowast	∗	∗
√	square root	√	√
∝	proportional to	∝	∝
∞	infinity	∞	∞
∠	angle	∠	∠
∧	and	∧	∧
∨	or	∨	∨
∩	cap	∩	∩
∪	cup	∪	∪
∫	integral	∫	∫
∴	therefore	∴	∴
∼	simular to	∼	∼
≅	approximately equal	≅	≅
≈	almost equal	≈	≈
≠	not equal	≠	≠
≡	equivalent	≡	≡
≤	less or equal	≤	≤
≥	greater or equal	≥	≥
⊂	subset of	⊂	⊂
⊃	superset of	⊃	⊃
⊄	not subset of	⊄	⊄
⊆	subset or equal	⊆	⊆
⊇	superset or equal	⊇	⊇
⊕	circled plus	⊕	⊕
⊗	cirled times	⊗	⊗
⊥	perpendicular	⊥	⊥
⋅	dot operator	⋅	⋅

HTML 支持的希腊字母

结果	描述	实体名称	实体编号
Α	Alpha	Α	Α
Β	Beta	Β	Β
Γ	Gamma	Γ	Γ
Δ	Delta	Δ	Δ
Ε	Epsilon	Ε	Ε
Ζ	Zeta	Ζ	Ζ
Η	Eta	Η	Η
Θ	Theta	Θ	Θ
Ι	Iota	Ι	Ι
Κ	Kappa	Κ	Κ
Λ	Lambda	Λ	Λ
Μ	Mu	Μ	Μ
Ν	Nu	Ν	Ν
Ξ	Xi	Ξ	Ξ
Ο	Omicron	Ο	Ο
Π	Pi	Π	Π
Ρ	Rho	Ρ	Ρ
	Sigmaf		undefined
Σ	Sigma	Σ	Σ
Τ	Tau	Τ	Τ
Υ	Upsilon	Υ	Υ
Φ	Phi	Φ	Φ
Χ	Chi	Χ	Χ
Ψ	Psi	Ψ	Ψ
Ω	Omega	Ω	Ω
α	alpha	α	α
β	beta	β	β
γ	gamma	γ	γ
δ	delta	δ	δ
ε	epsilon	ε	ε
ζ	zeta	ζ	ζ
η	eta	η	η
θ	theta	θ	θ
ι	iota	ι	ι
κ	kappa	κ	κ
λ	lambda	λ	Λ
μ	mu	μ	μ
ν	nu	ν	Ν
ξ	xi	ξ	ξ
ο	omicron	ο	ο
π	pi	π	π
ρ	rho	ρ	ρ
ς	sigmaf	ς	ς
σ	sigma	σ	σ
τ	tau	τ	τ
υ	upsilon	υ	υ
φ	phi	φ	φ
χ	chi	χ	χ
ψ	psi	ψ	ψ
ω	omega	ω	ω
ϑ	theta symbol	ϑ	ϑ
ϒ	upsilon symbol	ϒ	ϒ
ϖ	pi symbol	ϖ	ϖ

HTML 支持的其他实体

结果	描述	实体名称	实体编号
Œ	capital ligature OE	Œ	Œ
œ	small ligature oe	œ	œ
Š	capital S with caron	Š	Š
š	small S with caron	š	š
Ÿ	capital Y with diaeres	Ÿ	Ÿ
ƒ	f with hook	ƒ	ƒ
ˆ	modifier letter circumflex accent	ˆ	ˆ
˜	small tilde	˜	˜
	en space	 
	em space	 
	thin space	 
‌	zero width non-joiner	‌	‌
‍	zero width joiner	‍	‍
‎	left-to-right mark	‎	‎
‏	right-to-left mark	‏	‏
–	en dash	–	–
—	em dash	—	—
‘	left single quotation mark	‘	‘
’	right single quotation mark	’	’
‚	single low-9 quotation mark	‚	‚
“	left double quotation mark	“	“
”	right double quotation mark	”	”
„	double low-9 quotation mark	„	„
†	dagger	†	†
‡	double dagger	‡	‡
•	bullet	•	•
…	horizontal ellipsis	…	…
‰	per mille	‰	‰
′	minutes	′	′
″	seconds	″	″
‹	single left angle quotation	‹	‹
›	single right angle quotation	›	›
‾	overline	‾	‾
€	euro	€	€
™	trademark	™	™
←	left arrow	←	←
↑	up arrow	↑	↑
→	right arrow	→	→
↓	down arrow	↓	↓
↔	left right arrow	↔	↔
↵	carriage return arrow	↵	↵
⌈	left ceiling	⌈	⌈
⌉	right ceiling	⌉	⌉
⌊	left floor	⌊	⌊
⌋	right floor	⌋	⌋
◊	lozenge	◊	◊
♠	spade	♠	♠
♣	club	♣	♣
♥	heart	♥	♥
♦	diamond	♦	♦