This perform of frequently used mathematical symbols explains what each math symbol is, just how it is used and provides a sample expression.

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Symbol What that is How it is read How the is used Sample expression
+ Addition authorize Logical OR symbol ... To add ... ... Or ... Sum of a couple of values logical disjunction 3 + 5 = 8 ¬(A + B) = ¬A * ¬B
* Multiplication sign Logical and symbol ... Time ... ... And ... Product of two values logical conjunction 3 x 5 = 15 ¬(A * B) = ¬A + ¬B
x Multiplication sign ... Times ... Product of two values 3 x 5 = 15
· Multiplication sign ... Times ... Product of two values 3 · 5 = 15
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summation sign The summation that ... Sum of plenty of or infinitely numerous values
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Integral sign The integral the ... integration x2 dx = x3/3 + c
Double integral sign The dual integral of ... integration f(x,y) dx dy
Triple integral sign The triple integral of ... integration f(x,y,z) dx dy dz
Line integral sign The heat integral the ... integration F dx
Surface integral sign The surface ar integral the ... integration F(x,y,z) dx dy
- Subtraction authorize Minus sign ... Minus ... Negative... Difference of 2 values, an unfavorable number 3 - 5 = -2
± Plus/minus sign ... Plus or minus ... Expression the range, error, or tolerance 500 kbps ± 10%
dot product sign ... Dot ... Scalar (dot) product of two vectors A B = B A
x Cross product sign ... Cross ... Vector (cross) product of two vectors A x B = - (B x A)
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Product sign The product the ... Product of 3 up to infinitely countless values
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^ Carat ... To the power of ... exponent 2 ^ 5 = 32
! Exclamation ... Factorial Product the all hopeful integers as much as a certain value 5! = 120
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Surd ... Root of ... Algebraic expressions z =
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(x + y)
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Square root symbol The square root of ... Algebraic expressions
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... Continuation sign ... And so on up to ... ... And so ~ above indefinitely Extension that sequence S = 1, 2, 3, ...
/ Slash ... Split by ... ... End ... Division 3/4 = 0.75
÷ Division sign ... Separated by ... Division 3 ÷ 4 = 0.75
Percent symbol ... Percent ... Proportion 0.032 = 3.2
Per mil symbol ... Per mil ... Proportion 0.032 = 32
: Colon, ratio sign ... Is come ... ... Such that ... ... It is true that ... Division or ratio, symbol adhering to logical quantifier or offered in specifying a set 2:4 = 20:40

x : x > 4 and also x x : x x > -1

S = {x : x ...it is true that ...

Symbol following logical quantifier or provided in defining a set x | x > 4 and also x x | x x > -1

S = {x | x arithmetic mean

3 :: 11 = 7
*
lemniscate ... Infinity ... Rises without limit Infinite summations unlimited sequence Limit x : x ...list... ...set that coordinates... ...open interval Denotes a quantity, list, set of coordinates, or an open up interval (x + y) + z (a1, a2, a3, a4) (x,y,z) (3,5)
< > Square brackets ... The quantity ... ... The closeup of the door interval ... Denotes a amount or a close up door interval w + <(x + y) + z> <3,5>
( > Hybrid brackets ... The half-open interval ... Denotes a half-open interval (3,5>
< ) Hybrid brackets ... The half-open term ... Denotes a half-open interval <3,5)
Curly brackets ... The quantity ... ... The collection ... Denotes a amount or a SET E = 2, 4, 6, 8, ...
= Equal sign ... Amounts to ... Indicates two values are the same -(-5) = 5 2z2 + 4z - 6 = 0
proportionality sign ... Is proportional come ... Indicates two variables readjust in straight proportion x y
~ Similarity sign ... Is similar to ... Indicates two objects space geometrically similar ABC ~ DEF
Approximate equal sign ... Is approximately equal come ... Indicates 2 values are close to each other x + y z
Inequality sign ... Is not equal come ... Indicates 2 values room different x y
is smaller sized than worth on right 3 x y
Inequality sign ... Is much less than or equal to ... ... Is at many equal to ... Indicates worth on left is smaller than or same to worth on right x y
> Inequality sign ... Is greater than ... Indicates worth on left is bigger than worth on right 5 > 3 x > y
Inequality sign ... Is better than or same to ... Indicates value on left is larger than or equal to value on right x≥ y
| | absolute worth sign The absolute value of ... Distance of value from origin in number line, plane, or space | -3 | = 3
increment sign, Triangle symbol the change in ... Triangle ... Indicates a little change, Denotes vertices that triangle m = y / x alphabet = DEF
Perpendicularity symbol ... Is perpendicular come ... Geometry L M
// Parallel symbol ... Is parallel to ... Geometry L // M
Angle symbol Angle ... Geometry ABC = DEF
Existential quantifier For some ... Over there exists a(n) ... Logical statements x : x > 4 and also x because that every ... Logical statements x : x x > -1
¬ Logical negation symbol not ... Logical statements ¬(¬A) A
logical implicitly symbol ... Suggests ... If ... Then ... Logical statements A B
logical equivalence symbol ... Is logically indistinguishable to ... ... If and only if .. Logical statements A B
Three dots ... Thus ... ... It complies with that ... Logical statements or mathematical proofs x = y and y = z x = z
Element-of symbol ... Is an facet of a set ... Sets a A
Not-element-of symbol ... Is not an element of a collection ... Sets b A
Subset symbol ... Is a subset of ... Sets A B
Proper subset symbol ... Is a suitable subset that ... Sets A B
Union symbol ... Union ... Sets A B = B A
Intersection symbol ... Intersect ... ... Intersected with ... Sets A B = B A
Null symbol The null collection The north set Sets =
Hebrew aleph (uppercase) Aleph ... Transfinite cardinal 1 + 0 = 1
º Degree symbol ... Degree(s) Angular measure Temperature T = +20 ºC
θ Greek theta (lowercase) ... Theta ... Angular variable θ= 90º
φ Greek phi (lowercase) ... Phi ... Angular variable
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= 45º
λ Greek lambda (lowercase) ... Lambda ... Wavelength proportion Eigenvalue Lebesgue measure = 70 cm = 3:1
µ Greek mu (lowercase) micro- (10-6) Prefix multiplier C = 0.001 µF
Greek pi (lowercase) ... Pi ... General science 3.14159
Greek omega (uppercase) ... Omega ... Volume of an item Ohms (resistance) R2 = 330
Greek omega (lowercase) ... Omega ... Transfinite ordinal Angular velocity Period = 36,000 rad/s = 1/60 s
, N Enhanced or interlocutor N The set of organic numbers Number theory collection theory = 0, 1, 2, 3, ...

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, Z Enhanced or bolder Z The collection of integers Number theory set theory = 0, 1, -1, 2, -2, 3, -3, ...
, Q Enhanced or bolder Q The set of reasonable numbers Number theory set theory = a and b are in
, R Enhanced or interlocutor R The collection of real numbers Number theory collection theory What is the cardinality of ?