List of all mathematical symbols and signs - meaning and examples.
5 is equal to 2+3
5 is not equal to 4
x≈ y means x is approximately equal to y
5 is greater than 4
4 is less than 5
x ≥ ymeans x is greater than or equal to y
x ≤ y means xis less than or equal to y
√a⋅ √a = a
ABC = 30°
AOB = 30°
= 60°is the ratio between the circumference and diameter of a circle
y ∝ x when y = kx, k constant
is the ratio between the circumference and diameter of a circle
B = {9,14,28}
B={3,9,14},
A=B
B = {1,2,3},
A-B = {9,14}
B = {1,2,3},
A-B = {9,14}
B = {1,2,3},
A ∆ B = {1,2,9,14}
B = {1,2,3},
A ⊖ B = {1,2,9,14}
belongs to
00 = {0,1,2,3,4,...}011 = {1,2,3,4,5,...}1
= {...-3,-2,-1,0,1,2,3,...}
= {x | x=a/b,a,b∈}
= {x | -∞ < x <∞}
= {z | z=a+bi, -∞<a<∞, -∞<b<∞}
{f (t)}
{f (t)}FAQs
Math Symbols List (+,-,x,/,=,...)? ›
The symbol ≤ means less than or equal to. The symbol ≥ means greater than or equal to.
What does ≤ mean in algebra? ›The symbol ≤ means less than or equal to. The symbol ≥ means greater than or equal to.
What is the math symbol for all X? ›∀x for all x Something is true for all (any) value of x (usually with a side condition like ∀x > 0).
What does X ∈ I mean in math? ›Or if I is the interval [1,2], then x∈I means x is some real number in that interval, i.e., x satisfies 1≤x≤2.
What does || X || mean in math? ›||x|| is the absolute value of x. It is a measure of how far a number is from zero on the number line. 17.
What are the symbols of algebra? ›| Symbol | Symbol Name | Meaning/definition |
|---|---|---|
| x | x variable | unknown value to find |
| := | equal by definition | equal by definition |
| ≜ | equal by definition | equal by definition |
| ≈ | approximately equal | approximation |
| Symbol | Meaning | Example |
|---|---|---|
| = | equals | 1+1 = 2 |
| ≈ | approximately equal to | π ≈ 3.14 |
| ≠ | not equal to | π ≠ 2 |
| < ≤ | less than, less than or equal to | 2 < 3 |
These symbols are called brackets. Brackets in mathematics serve a very important purpose; these symbols help us group different expressions or numbers together. Brackets imply that the thing or expression enclosed by them is to be given higher precedence over other things.
What does AXB mean in sets? ›A Cartesian product of two sets A and B, written as A×B, is the set containing ordered pairs from A and B. That is, if C=A×B, then each element of C is of the form (x,y), where x∈A and y∈B: A×B={(x,y)|x∈A and y∈B}.
What does ∃ mean in math? ›The symbol ∀ means “for all” or “for any”. The symbol ∃ means “there exists”.
What does the symbol ⊗ mean? ›
Symbol. ⊗︀ (mathematics) tensor product. (mathematics, physics) A vector pointing into the page. (mathematics) An operator indicating special-defined operation that is similar to multiplication.
What are the math symbols in order? ›The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Created by Sal Khan.
What are these symbols called in English * {} []? ›Curly brackets {}
Curly brackets, also known as braces, are rarely used punctuation marks that are used to group a set.
In Statistics Explained articles the symbol '€' should be used for euro in the text if it is followed by a number.
What does K mean in algebra? ›where k is the constant of variation. We can also express the relationship between x and y as: y = kx. where k is the constant of variation. Since k is constant (the same for every point), we can find k when given any point by dividing the y-coordinate by the x-coordinate.
What do [] brackets mean in math? ›In mathematics, brackets are a set of marks, like parentheses, that are used to enclose a group of terms. Any terms that are enclosed within the brackets must be treated as a group. For example, in the expression 3(x+5), x+5 is enclosed within brackets, and this quantity must be treated as a single unit.
What is the symbols formula for mean? ›The symbol 'μ' represents the population mean. The symbol 'Σ Xi' represents the sum of all scores present in the population (say, in this case) X1 X2 X3 and so on.
What does ∩ and ∪ mean in math? ›∪: Union of two sets. A complete Venn diagram represents the union of two sets. ∩: Intersection of two sets.
What is an example of AUB? ›Example 1: If A = {2,5,8,9} and B = {3,5,8,11}, then calculate A U B. We use the A U B formula by simply writing all the terms present in set A and set B together and no element is repeated. Note: It is not necessary for the elements to be in order. 2.
What is AxB BxA an example of? ›Cartesian Product is also known as Cross Product. Thus from the example, we can say that AxB and BxA don't have the same ordered pairs. Therefore, AxB ≠ BxA. If A = B then AxB is called the Cartesian Square of Set A and is represented as A2.
Is a division symbol? ›
The symbol for division, or sharing into equal groups, is ÷.
Is a slash a division symbol? ›Once used to mark periods and commas, the slash is now used to represent division and fractions, exclusive 'or' and inclusive 'or', and as a date separator.
What does meann mean in math? ›Mean is the simple mathematical average of a set of two or more numbers. The mean for a given set of numbers can be computed in more than one way, including the arithmetic mean method, which uses the sum of the numbers in the series, and the geometric mean method, which is the average of a set of products.
Why does and mean multiply? ›If you want the probability of A and B you multiply if the events are independent. If they are dependent you have to mutiply the probability of one by the conditional probability of the other, given the one. If you want the probability of A or B you add if the events are mutually exclusive.
What is 2i equal to? ›i2 is equal to -1, a real number!
Does and mean to multiply? ›Given “A and B,” where A and B are either true (non-zero) or false (0), “and” is multiplication. For example, the truth of “it's raining and I'm wearing a red shirt and …” is multiplicative: I have to evaluate all the inputs to find if the statement is true. Given “A or B,” we get addition.
What does () mean in math? ›1. Parentheses are used in mathematical expressions to denote modifications to normal order of operations (precedence rules). In an expression like , the part of the expression within the parentheses, , is evaluated first, and then this result is used in the rest of the expression.
What is the name of symbol in math? ›| Symbol | Symbol Name in Maths | Math Symbols Meaning |
|---|---|---|
| × | times sign | multiplication |
| * | asterisk | multiplication |
| ÷ | division sign / obelus | division |
| ∙ | multiplication dot | multiplication |
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.
Does * mean multiply in math? ›Multiplication (often denoted by the cross symbol ×, by the mid-line dot operator ⋅, by juxtaposition, or, on computers, by an asterisk *) is one of the four elementary mathematical operations of arithmetic, with the other ones being addition, subtraction, and division.
What is the rule of order in math? ›
The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
Does dot mean multiply? ›The dot operator symbol is used in math to represent multiplication and, in the context of linear algebra, as the dot product operator. Typically, the symbol is used in an expression like this: 3⋅5. In plain language, this expression means three multiplied by five.
How do you get rid of i in math? ›Answer and Explanation: We can get rid of imaginary numbers in an equation by separating the complex numbers to one side and real number terms to the other side of the equals sign. Then we can simply square both sides to get rid of the imaginary numbers.
What is 7I? ›7I or 7-I can refer to: IATA code for Insel Air. Seven & I Holdings Co., Japanese holding company for 7-Eleven.
Is i 1 in math? ›"i" in math is known as an imaginary unit. Its value is √-1. It is used to calculate the square roots of negative numbers. It is also a part of complex numbers.
How do you add chances together? ›Addition Rule Formula
When calculating the probability of either one of two events from occurring, it is as simple as adding the probability of each event and then subtracting the probability of both of the events occurring: P(A or B) = P(A) + P(B) - P(A and B)
Arithmetic. the symbol (⋅), (×), or (∗) between two mathematical expressions, denoting multiplication of the second expression by the first. In certain algebraic notations the sign is suppressed and multiplication is indicated by immediate juxtaposition or contiguity, as in ab.
What symbols and words mean multiply? ›Symbol of Multiplication
Multiplication is represented by the signs cross (×), asterisk (*), or dot (·). While writing in your notebooks, you are most likely to use the cross. The asterisk and dot are used in computer languages and algebra (higher mathematics). For example: 7 ∗ 8 = 56.