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# Python Mathematical Function

Functions can do anything, but their primary use pattern is taking parameters and returning values . The math module provides some basic mathematical functions for working with floating-point numbers. Using Math module in python, we can access to different mathematical functions already defined by the C standard. These functions perform various arithmetic operations like calculating the floor, ceiling, or absolute value of a number using the floor(x), ceil(x), and fabs(x) functions respectively. Here is the list of all the functions and attributes defined in math module with a brief explanation of what they do.

ceil(x)

Return the ceiling of x as a float, the smallest integer value greater than or equal to x.

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copysign(x, y)

Return x with the sign of y. On a platform that supports signed zeros, copysign(1.0, -0.0) returns -1.0. (New in version 2.6.)

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fabs(x)

This function will return an absolute or positive value.

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factorial(x)

Returns the factorial of x

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floor(x)

The method floor() returns floor of x - the largest integer not greater than x.

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fmod(x, y)

This function returns x % y.

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frexp(x)

Returns the mantissa and exponent of x as the pair (m, e)

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fsum(iterable)

This function adds the items of an iterable and returns the sum.

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isfinite(x)

This function is either True or False.

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isinf(x)

This function Returns True if x is a positive or negative infinity

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isnan(x)

Returns True if x is a NaN

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ldexp(x, i)

This function returns the result of x * (2**i) which is an inverse of the frexp() function.

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modf(x)

This function returns the fractional and integer parts of x in a two-item tuple. Both parts have the same sign as x. The integer part is returned as a float.

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trunc(x)

This function returns the truncated integer of x.

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exp(x)

This function returns exponential of x: ex.

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pow(x, y)

This function returns x raised to the power y

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sqrt(x)

Returns the square root of x

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pi

Mathematical constant, the ratio of circumference of a circle to it's diameter (3.14159...)

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e

mathematical constant e (2.71828...)

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