Gõ ký tự Toán học / Khoa học

Gõ ký hiệu Toán học / Khoa học bằng nút bấm hoặc phím tắt, rồi sao chép đến nơi bạn cần.

• ⟨ mathematical left angle bracket
• ⟩ mathematical right angle bracket
• ⟦ mathematical left white square bracket
• ⟧ mathematical right white square bracket
• ⌊ left floor
• ⌈ left ceiling
• ⌋ right floor
• ⌉ right ceiling
• ↑ upwards arrow
• ⇐ leftwards double arrow
• ← leftwards arrow
• ↦ rightwards arrow from bar
• ℰ script capital e
• ℓ script small l
• ℒ script capital l
• ℳ script capital m
• ⁺𝒮 add script to the previous letter
• ’ apostrophe
• “ English-style opening quote
• ” English-style closing quote
• – en dash
• — em dash
• ½ (no shortcut)
• ¼ (no shortcut)
• ∕ fraction slash
• ∤ does not divide
• ⊥ up tack
• ∥ (no shortcut)
• ‰ (no shortcut)
• ø o with stroke
• ≪ much less-than
• ≫ much greater-than
• ~ (no shortcut)
• ⊢ right tack
• ⊨ true
• □ white square
• ◇ white diamond
• ℂ double-struck capital c
• ℕ double-struck capital n
• ℙ double-struck capital p
• ℚ double-struck capital q
• ℝ double-struck capital r
• ℤ double-struck capital z
• ⁺𝔻 add double-struck to the previous letter
• Γ capital gamma
• Δ capital delta
• Λ capital lamda
• Ξ capital xi
• Π capital pi
• Σ capital sigma
• Φ capital phi
• Ψ capital psi
• Ω capital omega
• Å capital a with ring above
• ℏ (no shortcut)
• ∞ infinity
• ∘ ring operator
• ∂ partial differential
• ∫ integral
• ∮ (no shortcut)
• ∯ (no shortcut)
• ∇ nabla
• ′ prime
• ″ double prime
• ‴ triple prime
• α Α alpha
• β Β beta
• γ Γ gamma
• δ Δ delta
• ε Ε epsilon
• ζ Ζ zeta
• η Η eta
• θ Θ theta
• κ Κ kappa
• λ Λ lamda
• μ Μ mu
• ν Ν nu
• ξ Ξ xi
• π Π pi
• ρ Ρ rho
• σ Σ sigma
• τ Τ tau
• υ Υ upsilon
• φ Φ phi
• χ Χ chi
• ψ Ψ psi
• ω Ω omega
• ⇒ rightwards double arrow
• → rightwards arrow
• ⇔ left right double arrow
• ↔ left right arrow
• ∈ element of
• ∉ not an element of
• ⊂ subset of
• ⊆ subset of or equal to
• ⊄ not a subset of
• ⊈ neither a subset of nor equal to
• ⊃ (no shortcut)
• ∪ union
• ∩ intersection
• ∖ set minus
• ∅ empty set
• ∏ n-ary product
• ∑ n-ary summation
• ◌̅ overline
• ◌̂ circumflex accent
• ◌⃗ right arrow above
• ◌̇ dot above
• ◌̈ diaeresis
• ¬ not sign
• ∨ logical or
• ∧ logical and
• ∀ for all
• ∃ there exists
• + plus sign
• − minus sign
• ± plus-minus sign
• ⊕ circled plus
• · middle dot
• × multiplication sign
• ⊗ circled times
• ÷ division sign
• ² superscript two
• ³ superscript three
• √ square root
• ∛ cube root
• = equals sign
• ≠ not equal to
• ≈ almost equal to
• ≡ identical to
• ≝ equal to by definition
• ≤ less-than or equal to
• ≥ greater-than or equal to
• ° degree sign
• ∠ angle
• 0 digit zero
• 1 digit one
• 2 digit two
• 3 digit three
• 4 digit four
• 5 digit five
• 6 digit six
• 7 digit seven
• 8 digit eight
• 9 digit nine
• ( left parenthesis
• ) right parenthesis
• [ left square bracket
• ] right square bracket
• { left curly bracket
• } right curly bracket
• / solidus
• | vertical line
• < less-than sign
• > greater-than sign
• ␣ space
• ⁰ superscript zero
• ¹ superscript one
• ⁴ superscript four
• ⁵ superscript five
• ⁶ superscript six
• ⁷ superscript seven
• ⁸ superscript eight
• ⁹ superscript nine
• ⁺ superscript plus sign
• ⁻ superscript minus
• ⁼ superscript equals sign
• ⁽ superscript left parenthesis
• ⁾ superscript right parenthesis
• ⁿ superscript latin small letter n
• ⁱ superscript latin small letter i
• ₀ subscript zero
• ₁ subscript one
• ₂ subscript two
• ₃ subscript three
• ₄ subscript four
• ₅ subscript five
• ₆ subscript six
• ₇ subscript seven
• ₈ subscript eight
• ₉ subscript nine
• ₊ subscript plus sign
• ₋ subscript minus
• ₌ subscript equals sign
• ₍ subscript left parenthesis
• ₎ subscript right parenthesis
• ₙ latin subscript small letter n
• ᵢ latin subscript small letter i
• ₓ latin subscript small letter x
• Θ greek capital letter theta
• Υ greek capital letter upsilon
• ι greek small letter iota
• ο greek small letter omicron
• ϵ greek lunate epsilon symbol
• ϑ greek theta symbol
• ϕ greek phi symbol
• ϖ greek pi symbol
• ϱ greek rho symbol
• ς greek small letter final sigma
• ∓ minus-or-plus sign
• ∝ proportional to
• ∗ asterisk operator
• ⋅ dot operator
• ∜ fourth root
• ∐ n-ary coproduct
• ⊖ circled minus
• ⊙ circled dot operator
• ⊘ circled division slash
• ≅ approximately equal to
• ≃ asymptotically equal to
• ∼ tilde operator
• ≔ colon equals
• ≺ precedes
• ≻ succeeds
• ≼ precedes or equal to
• ≽ succeeds or equal to
• ≮ not less-than
• ≯ not greater-than
• ≰ neither less-than nor equal to
• ≱ neither greater-than nor equal to
• ∦ not parallel to
• ⊇ superset of or equal to
• ⊅ not a superset of
• ⊊ subset of with not equal to
• ⊋ superset of with not equal to
• ∋ contains as member
• ∄ there does not exist
• ∁ complement
• ⊻ xor
• ⊤ down tack
• ∴ therefore
• ∵ because
• ∎ end of proof
• ∬ double integral
• ∭ triple integral
• ∰ volume integral
• ⟹ long rightwards double arrow
• ⟺ long left right double arrow
• ⇏ rightwards double arrow with stroke
• ↛ rightwards arrow with stroke
• ⇌ rightwards harpoon over leftwards harpoon
• ⟶ long rightwards arrow
• ↤ leftwards arrow from bar
• ℵ alef symbol
• ℶ bet symbol
• ℘ script capital p
• ℜ black-letter capital r
• ℑ black-letter capital i
• ∆ increment
• ∡ measured angle
• ∟ right angle
• ⌀ diameter sign
• ‖ double vertical line
• ℃ degree celsius
• ℉ degree fahrenheit
• ⅓ vulgar fraction one third
• ⅔ vulgar fraction two thirds
• ⅕ vulgar fraction one fifth
• ⅙ vulgar fraction one sixth
• ⅛ vulgar fraction one eighth
• ⅜ vulgar fraction three eighths
• ⅝ vulgar fraction five eighths
• ⅞ vulgar fraction seven eighths
• ¾ vulgar fraction three quarters
• xⁿ turn the previous character into a superscript (2 → ²)
• xₙ turn the previous character into a subscript (2 → ₂)