Math Symbols: List of Mathematical Symbols and their Names

Math symbols are special signs used to represent numbers, operations, quantities, relationships, and mathematical ideas. Whether you are studying arithmetic, algebra, geometry, or calculus, understanding these symbols is essential for reading equations and solving problems correctly.

Learning math symbols in English can also improve your academic vocabulary and help you understand textbooks, exams, and classroom instructions more easily. In this guide, you’ll learn the most common mathematical symbols, their names, pronunciations, meanings, and how to read them correctly in English.

Complete List of Math Symbols (Overview)

Mathematical symbols are used worldwide to express calculations, comparisons, measurements, and logical relationships. From simple symbols such as plus (+) and equals (=) to advanced symbols like pi (π) and infinity (∞), each symbol has a specific meaning and pronunciation.

By learning the names and uses of these symbols in English, students can improve both their math skills and English-language proficiency.

Related:

• Shapes Names 
• Hundred charts in English
• Punctuation Marks

Basic Arithmetic Operators

Symbol	Word	IPA (US)	Meaning	Example Sentence
+	Plus	/plʌs/	Addition operator	Two plus three equals five.
−	Minus	/ˈmaɪnəs/	Subtraction operator	Ten minus four equals six.
×	Multiplied by	/ˈmʌltəˌplaɪd baɪ/	Multiplication operator	Three multiplied by four equals twelve.
÷	Divided by	/dɪˈvaɪdɪd baɪ/	Division operator	Eight divided by two equals four.
=	Equal to	/ˈikwəl tuː/	Shows equality	Five plus five is equal to ten.
≈	Approximately equal to	/əˈprɑːksɪmətli ˈikwəl tuː/	Nearly equal	Pi is approximately equal to 3.1415.

Advanced & Algebraic Symbols

Symbol	Word	IPA (US)	Meaning	Example Sentence
π	Pi	/paɪ/	A mathematical constant approximately equal to 3.1415	Pi is used to calculate the circumference of a circle.
√	Square Root	/skwer ruːt/	Represents a root value	The square root of nine is three.
∞	Infinity	/ɪnˈfɪnəti/	Unlimited quantity	The symbol infinity represents something without an end.
()	Parentheses	/pəˈrenθəsiːz/	Grouping symbols	Calculate the numbers inside the parentheses first.
[]	Square Brackets	/skwer ˈbrækəts/	Grouping symbols in advanced math	Square brackets often appear in algebraic expressions.
{}	Curly Brackets	/ˈkɜːrli ˈbrækəts/	Used in sets and programming	The set is written inside curly brackets.
|x|	Absolute Value	/ˈæbsəluːt ˈvæljuː/	Distance from zero	The absolute value of negative five is five.

Common Math Symbols & Their Names (Detailed Guide)

This section explains the most common mathematical symbols, how to pronounce them, and how they are used in equations.

Basic Arithmetic & Operations

Plus (+) and Minus (−)

The symbols plus (+) and minus (−) are the most frequently used arithmetic operators. They represent addition and subtraction.

Symbol	Name	IPA (US)	Meaning	Example
+	Plus	/plʌs/	Adds numbers together	2 + 2 = 4
−	Minus	/ˈmaɪnəs/	Subtracts one number from another	8 − 3 = 5

• Read as: Plus
• Example: 2 + 2 = 4
• Read aloud: Two plus two equals four.

• Read as: Minus
• Example: 8 − 3 = 5
• Read aloud: Eight minus three equals five.

Multiplication (×) and Division (÷)

These symbols represent multiplication and division operations.

Symbol	Name	IPA (US)	Meaning	Example
×	Multiplied by	/ˈmʌltəˌplaɪd baɪ/	Multiplication operation	2 × 4 = 8
÷	Divided by	/dɪˈvaɪdɪd baɪ/	Division operation	8 ÷ 4 = 2

• Read as: Multiplied by
• Example: 2 × 4 = 8
• Read aloud: Two multiplied by four equals eight.

• Read as: Divided by
• Example: 8 ÷ 4 = 2
• Read aloud: Eight divided by four equals two.

Equals (=) and Approximately Equal (≈)

The symbol = shows exact equality, while ≈ indicates that two values are nearly equal.

Symbol	Name	IPA (US)	Meaning	Example
=	Equal To	/ˈikwəl tuː/	Shows exact equality	4 + 9 = 13
≈	Approximately Equal To	/əˈprɑːksɪmətli ˈikwəl tuː/	Shows an estimated value	π ≈ 3.1415

• Read as: Is equal to
• Example: 4 + 9 = 13
• Read aloud: Four plus nine is equal to thirteen.

• Read as: Is approximately equal to
• Example: π ≈ 3.1415
• Read aloud: Pi is approximately equal to three point one four one five.

Comparison & Inequality Symbols

Comparison symbols are used to compare two numbers, values, or expressions. They help show whether one value is greater than, less than, equal to, or not equal to another value.

Greater Than (>) and Less Than (<)

Symbol	Word	IPA (US)	Meaning	Example Sentence
>	Greater Than	/ˈɡreɪtər ðæn/	Shows that the value on the left is larger than the value on the right.	Five is greater than three.
<	Less Than	/les ðæn/	Shows that the value on the left is smaller than the value on the right.	Three is less than five.

• Read as: Is greater than
• Example: 4 > 3
• Read aloud: Four is greater than three.

• Read as: Is less than
• Example: 3 < 4
• Read aloud: Three is less than four.

Greater Than or Equal To (≥) and Less Than or Equal To (≤)

The symbols ≥ and ≤ are used when a value may be greater than or equal to, or less than or equal to, another value. Notice that English requires the word to at the end: greater than or equal to and less than or equal to.

Symbol	Word	IPA (US)	Meaning	Example Sentence
≥	Greater Than or Equal To	/ˈɡreɪtər ðæn ɔr ˈikwəl tuː/	Shows that a value is larger than or the same as another value.	x is greater than or equal to one.
≤	Less Than or Equal To	/les ðæn ɔr ˈikwəl tuː/	Shows that a value is smaller than or the same as another value.	a is less than or equal to six.

• Read as: Is greater than or equal to
• Example: x ≥ 1
• Read aloud: x is greater than or equal to one.

• Read as: Is less than or equal to
• Example: a ≤ 6
• Read aloud: a is less than or equal to six.

Not Equal To (≠) and Equivalent To (⇔)

The symbol ≠ means that two values are not the same. The symbol ⇔ is commonly read as is equivalent to or if and only if, depending on the mathematical context.

Symbol	Word	IPA (US)	Meaning	Example Sentence
≠	Not Equal To	/nɑːt ˈikwəl tuː/	Shows that two values are not the same.	Three is not equal to four.
⇔	Equivalent To	/ɪˈkwɪvələnt tuː/	Shows equivalence between two statements or expressions.	Statement A is equivalent to statement B.
⇒	Implies	/ɪmˈplaɪz/	Shows that one statement leads to another statement.	A implies B in this logical expression.

• Read as: Is not equal to
• Example: 3 ≠ 4
• Read aloud: Three is not equal to four.

• Read as: Is equivalent to
• Example: a ⇔ b
• Read aloud: a is equivalent to b.

• Read as: Implies
• Example: a ⇒ b
• Read aloud: a implies b.

Brackets & Punctuation Marks in Math

Brackets are used to group numbers, variables, and expressions. They help show which part of an equation should be calculated first. In English, the most common bracket names are parentheses, square brackets, and curly brackets.

Parentheses ( )

Symbol	Word	IPA (US)	Meaning	Example Sentence
( )	Parentheses	/pəˈrenθəsiːz/	Round brackets used to group expressions or add extra information.	Solve the expression inside the parentheses first.

• Read as: Parentheses
• Example: (2 + 3) × 4 = 20
• Read aloud: Two plus three in parentheses, multiplied by four, equals twenty.

Square Brackets [ ]

Symbol	Word	IPA (US)	Meaning	Example Sentence
[ ]	Square Brackets	/skwer ˈbrækəts/	Box-shaped brackets used for grouping or intervals.	The numbers are written inside square brackets.

• Read as: Square brackets
• Example: [2, 6]
• Read aloud: The interval from two to six is written in square brackets.

Curly Brackets { }

Symbol	Word	IPA (US)	Meaning	Example Sentence
{ }	Curly Brackets	/ˈkɜːrli ˈbrækəts/	Brackets often used to show sets.	The set contains three numbers inside curly brackets.

• Read as: Curly brackets
• Example: {1, 2, 3}
• Read aloud: The set contains one, two, and three.

Absolute Value |x|

The symbol |x| represents the absolute value of a number. It shows the distance of a number from zero, so the result is never negative.

Symbol	Word	IPA (US)	Meaning	Example Sentence
|x|	Absolute Value	/ˈæbsəluːt ˈvæljuː/	The distance of a number from zero.	The absolute value of negative nine is nine.

• Read as: Absolute value
• Example: |x| = 9
• Read aloud: The absolute value of x is nine.

Geometry Symbols

Geometry symbols are used to describe shapes, angles, lines, and measurements. Two common symbols for beginners are the angle symbol and the right angle symbol.

Angle (∠) and Right Angle (∟)

Symbol	Word	IPA (US)	Meaning	Example Sentence
∠	Angle	/ˈæŋɡəl/	A figure formed by two lines or rays meeting at a point.	The angle measures sixty degrees.
∟	Right Angle	/raɪt ˈæŋɡəl/	An angle that measures exactly ninety degrees.	A square has four right angles.

• Read as: Angle
• Example: ∠ABC
• Read aloud: Angle ABC.

• Read as: Right angle
• Example: ∟ABC
• Read aloud: Right angle ABC.

Advanced Math, Set Theory & Logic

As students progress beyond basic arithmetic and geometry, they encounter more advanced mathematical symbols used in algebra, calculus, set theory, statistics, and logic. Understanding these symbols helps learners read formulas, proofs, and mathematical expressions accurately in English.

Square Root (√) and Percent (%)

The square root symbol (√) indicates a value that, when multiplied by itself, produces the original number. The percent symbol (%) represents a proportion out of one hundred.

Symbol	Word	IPA (US)	Meaning	Example Sentence
√	Square Root	/skwer ruːt/	A value that produces a number when multiplied by itself.	The square root of nine is three.
%	Percent	/pərˈsent/	A ratio out of one hundred.	The company increased sales by ten percent.

• Read as: Square root of
• Example: √9 = 3
• Read aloud: The square root of nine is three.

• Read as: Percent
• Example: 100%
• Read aloud: One hundred percent.

Note: In English, we say one hundred percent, not one hundred percents.

Pi (π) and Infinity (∞)

Pi (π) is a mathematical constant used in geometry and trigonometry. Infinity (∞) represents a quantity that has no limit or end.

Symbol	Word	IPA (US)	Meaning	Example Sentence
π	Pi	/paɪ/	A mathematical constant approximately equal to 3.1415.	Pi is essential when calculating the area of a circle.
∞	Infinity	/ɪnˈfɪnəti/	A quantity without an end or limit.	The concept of infinity appears in calculus.

• Read as: Infinity
• Example: ∞
• Read aloud: Infinity.

• Read as: Pi
• Example: π ≈ 3.1415
• Read aloud: Pi is approximately equal to three point one four one five.

Summation (∑) and Integral (∫)

These symbols are commonly used in advanced mathematics and calculus.

Symbol	Word	IPA (US)	Meaning	Example Sentence
∑	Summation	/səˈmeɪʃən/	Represents the sum of a sequence of values.	The summation symbol adds all values in the series.
∫	Integral	/ˈɪntəɡrəl/	Represents integration in calculus.	Students learn integrals in advanced mathematics.

• Read as: Summation or Sum of
• Example: ∑x
• Read aloud: The summation of x.

• Read as: Integral
• Example: ∫f(x)dx
• Read aloud: The integral of f of x with respect to x.

Belongs To (∈) and Does Not Belong To (∉)

These symbols are used in set theory to show whether an element is a member of a set.

Symbol	Word	IPA (US)	Meaning	Example Sentence
∈	Belongs To	/bɪˈlɔːŋz tuː/	Shows membership in a set.	x belongs to the set of natural numbers.
∉	Does Not Belong To	/dʌz nɑːt bɪˈlɔːŋ tuː/	Shows non-membership in a set.	x does not belong to the empty set.

• Read as: Belongs to
• Example: x ∈ N
• Read aloud: x belongs to N.

• Read as: Does not belong to
• Example: x ∉ ∅
• Read aloud: x does not belong to the empty set.

Empty Set (∅) and For All (∀)

The symbol ∅ represents a set with no elements. The symbol ∀ means “for all” and is widely used in logic and proofs.

Symbol	Word	IPA (US)	Meaning	Example Sentence
∅	Empty Set	/ˈempti set/	A set that contains no elements.	The empty set contains no members.
∀	For All	/fɔːr ɔːl/	Indicates that a statement applies to every element.	For all real numbers x, the statement is true.

• Read as: Empty set
• Example: x ∈ ∅
• Read aloud: x belongs to the empty set.

• Read as: For all
• Example: ∀x ∈ A
• Read aloud: For all x in A.