Symbol
ℕ
ℤ
ℚ
ℝ
ℂ
∪
∩
⊂
⊆
⊄
⊃
⊇
⊅
∖
∈
∉
[𝐚, 𝐛]
]𝐚, 𝐛[
{𝐚, 𝐛, 𝐜}
∅ or { }
()
+
−
÷
×
±
<
≤
>
≥
⟺
⟹
=
≠
≅
≡
∑
∏
𝛁
∧
∨
∃
∄
∀
~ or ¬
#
:
∴
∵
QED
GCD
LCM
√
∛
!
%
‰
℉
℃
Meaning
Set of Natural numbers
Set of Integers numbers
Set of Rational numbers
Set of Real numbers
Set of Complex numbers
The union of
Intersected with
Is a subset of
Is a subset of or equal to
Is not a subset of
Is a superset of
Is a superset of or equal to
Is not a superset of
Set Difference
Is an element of
Is not an element of
Closed interval
Open interval
Set of Elements
Empty Set
Group (do first)
Addition (plus, add)
Subtraction (minus, subtract)
Division
Multiplication (times)
Plus-minus
Is less than
Is less than or equal to
Is greater than
Is greater than or equal to
Equivalence
Implication (implies)
Equality (is equal to)
Inequality (is not equal to)
Approximately (equal to)
Congruence
Summation
Product
Gradient
And (propositional logic)
Or (propositional logic)
Existential quantification (there is)
There is not
Universal quantification (for all)
Negation
Cardinality
Such that
Therefore
Because
End of proof (quod erat demonstrandum)
Greatest Common Divisor
Lowest Common Multiple
Square Root
Cube Root
Factorial
Percent
Per mille
Degrees Fahrenheit
Degrees Celsius
Symbol
𝛼− Α
𝛽− Β
𝛾− Γ
𝛿− Δ
𝜀−Ε
𝜁− Ζ
𝜂− Η
𝜃− Θ
𝜄− Ι
𝜅− Κ
𝜆− Λ
𝜇− Μ
𝜈− Ν
𝜉− Ξ
𝜊− Ο
𝜋− Π
𝜌− Ρ
𝜎− Σ
𝜏− Τ
𝜐− Υ
𝜑− Φ
𝜒− Χ
𝜓− Ψ
𝜔− Ω
∠
∡
°
’
’’
⊥
∥
sin()
cos()
tan()
cot()
𝑣⃗
‖𝑣⃗‖
|𝑥|
𝑥̅
𝑥̃
log 𝑎 ()
ln()
log()
𝑓(𝑥)
𝑓′(𝑥)
∫
Dom (f)
Ran (f)
𝑓 −1
𝑓∘𝑔
lim()
𝑥→𝑎
∞
𝜋
𝑒
Φ
𝑖
𝑅(z)
𝐼(z)
Meaning
Alpha
Beta
Gamma
Delta
Epsilon
Zeta
Eta
Theta
Iota
Kappa
Lambda
Mu
Nu
Xi
Omicron
Pi
Rho
Sigma
Tau
Upsilon
Phi
Chi
Psi
Omega
Angle
Angle Measure
Degrees
Minutes
Seconds
Is perpendicular to
Is parallel to
Sine
Cosine
Tangent
Cotangent
Vector
Norm of
Absolute value (modulus)
Mean
Median
Logarithm with base a
Natural Logarithm (with base e)
Common Logarithm (with base 10)
Function
Derivative of Function
Integral (differential calculus)
Domain of the function f
Range of the function f
Inverse Function
Function Composition
Limit
x approaches a
Infinity
Pi, 𝜋 = 3,14159265359 …
Euler's constant, 𝑒 = 2,7182 …
Golden Ratio, Φ = 1,6180 …
Imaginary number, 𝑖 2 = −1
The real part of a complex number
The imaginary part of a complex