# Python 3 - Number fabs() Method

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## Description

The fabs() method returns the absolute value of x. Although similar to the abs() function, there are differences between the two functions. They are −

• abs() is a built in function whereas fabs() is defined in math module.

• fabs() function works only on float and integer whereas abs() works with complex number also.

## Syntax

Following is the syntax for the fabs() method −

```import math

math.fabs( x )
```

Note − This function is not accessible directly, so we need to import the math module and then we need to call this function using the math static object.

## Parameters

x − This is a numeric value.

## Return Value

This method returns the absolute value of x.

## Example

The following example shows the usage of the fabs() method.

```#!/usr/bin/python3
import math   # This will import math module

print ("math.fabs(-45.17) : ", math.fabs(-45.17))
print ("math.fabs(100.12) : ", math.fabs(100.12))
print ("math.fabs(100.72) : ", math.fabs(100.72))
print ("math.fabs(math.pi) : ", math.fabs(math.pi))
```

## Output

When we run the above program, it produces the following result −

```math.fabs(-45.17) :  45.17
math.fabs(100) :  100.0
math.fabs(100.72) :  100.72
math.fabs(math.pi) :  3.141592653589793
```
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