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Algebra Symbols

Algebra Symbols : List of Symbols with Meaning/Definition | ORCHIDS

Algebra symbols

Algebra symbols, including +, -,  *,  =, <, >, and parentheses, provide a concise language for expressing mathematical concepts. They represent operators, variables like "x" or "y," and aid in solving equations by indicating priority and grouping. The equals sign "=" and inequality symbols (< less than, > greater than/ ≤ less than or equal to sign/ ≥ Means greater than or equal to sign ) play pivotal roles in balancing and comparing algebraic expressions.

Table Of Algebric Symbols

Symbol

Name of the Symbol 

Meaning / Definition

x

Variable

Represents an unknown or placeholder value in an equation.

Equivalence

Denotes identical or equivalent in value or definition.

Equal by Definition

Represents equal by definition.

Approximately Equal

Indicates an approximation, the values are nearly equal.

Proportional To

Denotes a proportional relationship between quantities.

Lemniscate

Represents infinity or a figure-eight-shaped curve.

<

Less Than

Signifies that one quantity is smaller than another.

Inequality

Means less than or equal to sign

>

Greater Than

Signifies that one quantity is greater than another.

≥ 

Inequality

Means greater than or equal to sign

Much Less Than

Signifies that one quantity is significantly smaller than another.

Much Greater Than

Signifies that one quantity is significantly larger than another.

()

Parentheses

Used for grouping terms or to indicate order of operations.

[]

Brackets

Used for intervals or grouping terms in equations.

{}

Braces

Used for sets or functions.

⌊x⌋

Floor Brackets

Denotes the greatest integer less than or equal to a given number.

⌈x⌉

Ceiling Brackets

Denotes the smallest integer greater than or equal to a given number.

x!

Exclamation Mark

Denotes factorial (product of an integer and all below it).

| x |

Vertical Bars

Represents absolute value or in sets to denote cardinality.

f(x)

Function of x

Denotes a function with 'x' as its input variable.

fog

Function Composition

Represents the composition of two functions 'f' and 'g'.

(a, b)

Open Interval

Represents a range of values including 'a' but not 'b'.

[a, b]

Closed Interval

Represents a range of values including both 'a' and 'b'.

Δ

Delta

Represents change or difference between values.

Δ

Discriminant

In quadratic equations, it represents part of the quadratic formula.

Σ

Sigma

Denotes summation of a sequence of values.

Σ

Sigma (Capital Pi)

Denotes product of a sequence of values.

e

E Constant / Euler's Number

Represents the base of the natural logarithm.

γ

Euler-Mascheroni Constant

Represents the difference between the harmonic series and natural logarithm.

φ

Golden Ratio

Represents the ratio found in mathematics and nature.

π

Pi Constant

Represents the ratio of a circle's circumference to its diameter.

 

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