HTML entities and symbols for mathematics

A list of entities and symbols defined by HTML 4.0/ XHTML for use in equations.
If you want to bypass the MathML package and try plain HTML/ XHTML you might need those names of symbols and entities.
Here is an extract of common entities defined by XHTML and supported without plugins.
They are given as decimal and named entities and if present also with LaTex and Maple (version 10) expressions.
This list is known to work well with most UTF8 enabled browser and should also work with LaTex and Maple, but it can not be guaranteed in any case.

Please note some symbols will not display if the browser uses limited fonts that do not fully support UTF-8 (known with Opera for Mac).

Quicklist

Greek letters

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Symbol Entity name Entity number Common name LaTex Maple
dec name
Α Α Α Α Greek capital alpha A Alpha
Β Β Β Β Greek capital beta B Beta
Γ Γ Γ Γ Greek capital gamma \Gamma Gamma
[GAMMA]
Δ Δ Δ Δ Greek capital delta \Delta Delta
Ε Ε Ε Ε Greek capital epsilon E Epsilon
Ζ Ζ Ζ Ζ Greek capital zeta Z Zeta
[ZETA]
Η Η Η Η Greek capital eta H Eta
Θ Θ Θ Θ Greek capital theta \Theta Theta
Ι Ι Ι Ι Greek capital iota I Iota
Κ Κ Κ Κ Greek capital kappa K Kappa
Λ Λ Λ Λ Greek capital lambda \Lambda Lambda
Μ Μ Μ Μ Greek capital mu M Mu
Ν Ν Ν Ν Greek capital nu N Nu
Ξ Ξ Ξ Ξ Greek capital xi \Xi Xi
Ο Ο Ο Ο Greek capital omicron O Omicron
Π Π Π Π Greek capital pi \Pi Pi
Ρ Ρ Ρ Ρ Greek capital rho P Rho
Σ Σ Σ Σ Greek capital sigma \Sigma Sigma
Τ Τ Τ Τ Greek capital tau T Tau
Υ Υ Υ Υ Greek capital upsilon \Upsilon Upsilon
Φ Φ Φ Φ Greek capital phi \Phi Phi
Χ Χ Χ Χ Greek capital chi X Chi
Ψ Ψ Ψ Ψ Greek capital psi \Psi Psi
Ω Ω Ω Ω Greek capital omega \Omega Omega
α α α α Greek small alpha \alpha alpha
β β β β Greek small beta \beta beta
γ γ γ γ Greek small gamma \gamma gamma
δ δ δ δ Greek small delta \delta delta
ε ε ε ε Greek small epsilon \epsilon epsilon
ζ ζ ζ ζ Greek small zeta \zeta zeta
[Zeta]
η η η η Greek small eta \eta eta
θ θ θ θ Greek small theta \theta theta
ι ι ι ι Greek small iota \iota iota
κ κ κ κ Greek small kappa \kappa kappa
λ λ λ λ Greek small lambda \lambda lambda
μ μ μ μ Greek small mu \mu mu
ν ν ν ν Greek small nu \nu nu
ξ ξ ξ ξ Greek small xi \xi xi
ο ο ο ο Greek small omicron o omicron
π π π π Greek small pi \pi pi
[PI]
ρ ρ ρ ρ Greek small rho \rho rho
ς ς ς ς Greek small sigma final
σ σ σ σ Greek small sigma \sigma sigma
τ τ τ τ Greek small tau \tau tau
υ υ υ υ Greek small upsilon \upsilon upsilon
φ φ φ φ Greek small phi \phi phi
χ χ χ χ Greek small chi \chi chi
ψ ψ ψ ψ Greek small psi \psi psi
ω ω ω ω Greek small omega \omega omega
ϑ ϑ ϑ ϑ Greek theta symbol vartheta
ϒ ϒ ϒ ϒ Greek upsilon symbol Upsi
ϕ ϒ Greek phi symbol \varphi varphi
ϖ ϖ ϖ ϒ Greek pi symbol \varpi varpi

Symbols

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Latex might require amsmath package, which is recommended for math display.

Symbol Entity name Entity number Common name LaTex Maple
dec name
ƒ ƒ ƒ #402; function f
ℂ #8450; Complex number symbol complexes
ℕ #8469; Natural number symbol naturals
ℚ #8474; Rational number symbol rationals
ℝ #8477; Real number symbol reals
ℤ #8484; Integer number symbol integers
℘ ℘ ℘ #8472; Weierstraß p - power set \wp WeierstrassP
ℜ ℜ ℜ #8476; Real part \Re Re
ℑ ℑ ℑ #8465; Imaginary part \Im Im
ℏ #8463; h bar (ℏ = 1÷2 × h÷π) hbar
ℯ #8495; Euler number e ExponentialE
[exp(1)]
ℵ ℵ ℵ #8501; Aleph symbol - First transfinite number \alph aleph
ℹ #8505; Imaginary Unit i i
ⅆ #8518; Differential d diff
ⅇ #8519; e?
ⅈ #8520; Math i? \imath
ⅉ #8521; Math j? \jmath
∀ ∀ ∀ #8704; For all \forall ForAll
[forall]
∂ ∂ ∂ #8706; Partial d \partial PartialD
∃ ∃ ∃ #8707; Exists \exists Exists
∄ #8708; Not exists \not\exists NotExists
∅ ∅ ∅ #8709; Empty/ Void set/ Diameter \empty empty
∆ #8710; Differenz \Delta triangle
∇ ∇ ∇ #8711; Backward differenz \nabla triangledown
∈ ∈ ∈ #8712; Element/ in \in element
[in]
∉ ∉ ∉ #8713; Not in/ element \not\in notin
∋ ∋ ∋ #8715; Ni (left side is in/ element of right side argument) \ni ni
∌ #8716; Not ni \not\ni
∏ ∏ ∏ #8719; Product sign \prod Product
[product]
∐ #8720; Coproduct \coprod coprod
∑ ∑ ∑ #8721; Sum sign \sum Sum
[sum]
∞ ∞ ∞ #8734; Infinity symbol \infty infin
[infinity]
∫ ∫ ∫ #8747; Integral symbol \int int
∬ #8748; Double integral symbol \int\int
∭ #8749; Three times integral symbol \int\int\int
∴ ∴ ∴ #8756; Therefor
∵ #8757; Because
≔ #8788; Defines :=
≕ #8789; Defined by =:
⊾ #8894; Right angle
∠ ∠ ∠ #8736; Angle sign \angle
′ ′ ′ #8242; Prime ' prime
″ ″ ″ #8243; Double prime '' Prime

Arrows

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Symbol Entity name Entity number Common name LaTex Maple
dec name
← ← ← #8592; Left arrow \leftarrow
↑ ↑ ↑ #8593; Up arrow \uparrow
→ → → #8594; Right arrow \rightarrow
↓ ↓ ↓ #8595; Down arrow \downarrow
↔ ↔ ↔ #8596; Horizontal/ Left right arrow \leftrightarrow
↕ #8597; Vertical/ Up down arrow \updownarrow
↖ #8598; Upper left arrow \nwarrow
↗ #8599; Upper right arrow \nearrow
↘ #8600; Lower right arrow \searrow
↙ #8601; Lower left arrow \swarrow
⇍ #8653; Negated left double arrow \not\Leftarrow
⇏ #8655; Negated right double arrow \not\Rightarrow
⇐ ⇐ ⇐ #8656; Left double arrow \Leftarrow
⇒ ⇒ ⇒ #8658; Right double arrow \Rightarrow
⇔ ⇔ ⇔ #8660; Left right double arrow \Leftrightarrow
⇜ #8668; Left zigzag arrow ziglarr
⇝ #8669; Right zigzag arrow zigrarr

Operations

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Symbol Entity name Entity number Common name LaTex Maple
dec name
− − − #8722; Minus sign -
∓ #8723; Plus-minus sign \pm
∔ #8724; Plus-times sign
∕ #8725; Setminus \setminus setminus
[minus]
∖ #8726; Backslash \backslash
∗ ∗ ∗ #8727; Asterisk
∙ #8729; Dot cdot
√ √ √ #8730; Radical sign \sqrt{}
∛ #8731; Third radical sign
∜ #8732; Fourth radical sign
∣ #8739; Divisor of
∤ #8740; Not divisor of
∥ #8741; Parallel
∩ ∩ ∩ #8745; Intersection - Cap
∪ ∪ ∪ #8746; Union - Cup
⊕ ⊕ ⊕ #8853; Circled plus
⊖ #8854; Circled minus
⊗ ⊗ ⊗ #8855; Circled times
⊘ #8856; Circled divide
⊙ #8857; Circled dot

Relations (Round)

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Symbol Entity name Entity number Common name LaTex Maple
dec name
⊂ ⊂ ⊂ #8834; Subset
⊃ ⊃ ⊃ #8835; Superset
⊄ ⊄ ⊄ #8836; Not subset
⊅ #8837; Not superset
⊆ ⊆ ⊆ #8838; Subset or equal
⊇ ⊇ ⊇ #8839; Superset or equal
⊈ #8840; Not subset and equal (superset or unequal)
⊉ #8841; Not superset and equal (subset or unequal)
⊊ #8842; Proper subset
⊋ #8843; Proper superset
⌢ #8994;
⌣ #8995;
≺ #8826;
≻ #8827;
≼ #8828;
≽ #8829;
≾ #8830;
≿ #8831;
⊀ #8832;
⊁ #8833;
⋞ #8926;
⋟ #8927;
⋠ #8928;
⋡ #8929;

Relations

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Symbol Entity name Entity number Common name LaTex Maple
dec name
∸ #8760;
∹ #8761;
∺ #8762;
∻ #8763;
∼ ∼ ∼ #8764; Similar to - Tilde
≃ #8771; Approximately equal to (alternate)
≅ ≅ ≅ #8773; Approximately equal to
≇ #8775; Not approximately equal to?
≈ ≈ ≈ #8776; Asymptotic to
≉ #8777; Not asymptotic to?
≊ #8778;
≋ #8779;
≌ #8780;
≍ #8781;
≎ #8782;
≏ #8783;
≐ #8784;
≑ #8785;
≒ #8786;
≓ #8787;
≖ #8790;
≗ #8791;
≘ #8792;
≙ #8793;
≚ #8794;
≛ #8795;
≜ #8796;
≟ #8799;
≠ ≠ ≠ #8800; Not equal
≡ ≡ ≡ #8801; Equivalant
≢ #8802; Not equivalant nequiv
≤ ≤ ≤ #8804; Less or equal
≥ ≥ ≥ #8805; Greater or equal
≦ #8806; Less or equal (alternate)
≧ #8807; Greater or equal (alternate)
≨ #8808; Less and not equal
≩ #8809; Greater and not equal
≪ #8810; Much less than
≫ #8811; Much greater than
≮ #8814; Not less than
≯ #8815; Not greater than
≰ #8816; Not less and equal
≱ #8817; Not greater and equal
≲ #8818; Less or close to
≳ #8819; Greater or close to
≴ #8820; Not less and close to
≵ #8821; Not greater and close to
≶ #8822;
≷ #8823;
≸ #8824;
≹ #8825;
⊏ #8847;
⊐ #8848;
⊑ #8849;
⊒ #8850;
⊓ #8851;
⊔ #8852;
⊻ #8891;
⊼ #8892;
⋀ #8896;
⋁ #8897;
⋘ #8920;
⋙ #8921;
⋚ #8922;
⋛ #8923;
⋜ #8924;
⋝ #8925;
⋢ #8930;
⋣ #8931;
⋤ #8932;
⋥ #8933;

Miscellaneous

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Symbol Entity name Entity number Common name LaTex Maple
dec name
∝ #8733;
∠ #8736;
∡ #8737;
∢ #8738;
∦ #8742;
∧ #8743;
∨ #8744;
∽ #8765;
∾ #8766;
∿ #8767;
≀ #8768;
⋅ #8901;
⋆ #8902;
⋇ #8903;
⋍ #8909;
⋎ #8910;
⋏ #8911;
⋕ #8917;
⋮ #8942;
⋯ #8943;
⋰ #8944;
⋱ #8945;
⌈ #8968;
⌉ #8969;
⌊ #8970;
⌋ #8971;
⌠ #8992;
⌡ #8993;

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