Absolute Value Calculator

|x| = ?

What is the absolute value?

In mathematics, the absolute value or modulus | x | of the real number x is the non-negative value of x, regardless of its sign. That is | x | = x means positive x, | x | = -x means negative x (in this case -x is positive), and | 0 | =0.

Symbol for absolute value

The symbol for absolute value is a bar ∣ vertical bar on each side of the number.

For example, instead of writing "the absolute value of −8", we can just write |−8|.

Python absolute value

Using the abs() function to determine the absolute value of a number in Python. Some examples:

    abs(1) # return 1
    abs(-1) # return 1
    abs(-1-2) # return 3
    

Excel absolute value

Using the ABS() Formula to determine the absolute value of a number in Excel.

Java absolute value

Using the java.lang.Math.abs() function to determine the absolute value of a number in Java. Example:

    import java.lang.Math;
    // ... other code
    int value = Math.abs(1) // value is 1
    value = Math.abs(-1) // value is 1
    

LaTex absolute value

The general method to display an absolute value (or the modulus symbol) in LaTex is by surrounding the number, variable, or expression with two vertical lines, |. Example:

    %Abs symbol in LaTex
    An example of absolute value symbol $|x+y|$.
    

C++ absolute value

Using the abs() function to determine the absolute value of a number in C++. Some examples:

    int num = abs(-42); // num is 42
    int num1 = abs(42); // num1 is 42
    int num2 = abs(0); // num2 is 0
    

Javascript absolute value

The Math.abs() function in Javascript returns the absolute value of an integer number. Example:

    Math.abs(1) # return 1
    Math.abs(-1) # return 1
    

Absolute value in R

The abs() function in R programming returns the absolute value. Example:

    answer1 <- abs(-7)
    print(answer1) // return 7
    answer2 <- abs(7)
    print(answer2) // return 7
    

Matlab absolute value

The abs() function in Matlab returns the absolute value. Example:

    S = -2 // S is -2
    X = abs(S) // X is 2
    

Absolute value in C

The int abs(int x) function in C returns the absolute value. Example:

    int i, j;

    i = abs(5);
    printf("value of i = %d\n", i); // output value of i = 5

    j = abs(-5);
    printf("value of j = %d\n", j);// output value of j = 5
    

Absolute value in C#

The Math.Abs() function in C# returns the absolute value. Example:

    Math.Abs(42) // return 42
    Math.Abs(-42) // return 42
    

PHP Absolute value

The abs() function in PHP returns the absolute value. Example:

    abs(42) // return 42
    abs(-42) // return 42
    

Absolute value on TI 83 or TI 84

    1. Press [MATH]
    2. Scroll right to highlight NUM and select 1:abs(
    3. Input -2. To make a value negative, use the negative or [(-)] key located below the [2] key.
    4. Press [ENTER] and the solution below should be displayed.
    

Absolute value of PI

As πis a positive transcendental (never-ending) string of digits = 3.1415926... it is tautological to say | π|.

Cite this calculator & page

If you'd like to cite this tool and information as provided on the page, you can use the following citation:
Absolute Value Calculator, [online] Available at: https://absolute-value.org/ URL [Accessed Date: 26 Oct, 2025].

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