# Python math functions

``````a=12
b=5
print(a+b)          # 17 , sum of two numbers
print(a-b)          # 7 , subtraction  of two numbers
print(a*b)          # 60, product of two numbers
print(a/b)          # 2.4, quotient of two numbers
print(a//b)         # 2 , floored quotient
print(a%b)          # 2,  remainder of division
print(a**b)         # 248832, a to the power b
print(pow(a,b))     # 248832, a to the power b
print(divmod(a,b))  # (2,2) ,the pair (a // b, a % b)``````

## Importing Math library

You may get error saying about the missing math library need to be included before using these functions.
``NameError: name 'math' is not defined``
Just add this line before using the functions
``import math``
 bitwise operators Using bitwise operators floor & ceil Get lower or higher integer from the input number fabs absolute value of input number factorial !n is the factorial of input number n copysign Copy sign of one number to other fmod Module of two input numbers frexp Getting mantissa and exponent of input number ldexp Getting the number by using mantissa and exponent fsum() Sum of elements of iterable object isfinite() checking the number is finite or not isinf() checking the number is infinity or not isnan() checking the number is NaN or not modf() Separating fraction and integer parts remainder() remainder of one number with respect to other trunc() Integer part of a number exp() e raised to the power x expm1() e raised to the power x -1 pow() x to raised to the power of y sqrt() Returns square root of a number
logarithm
 log(x[,base]) Log of x using input base ( optional ) log1p(x) Log of 1+x using base e log2(x) Log of x using base 2 log10(x) Log of x using base 10
Trigonometric functions
 acos(x) arc cosine of x ( input in radian ) asin(x) arc sin of x ( input in radian ) atan(x) arc tan of x ( input in radian ) cos(x) cos of x ( input in radian ) sin(x) sin of x ( input in radian ) tan(x) tan of x ( input in radian )
 acosh(x) inverse hyperbolic cosine of x asinh(x) inverse hyperbolic sine of x atanh(x) inverse hyperbolic tangent of x cosh(x) hyperbolic cosine of x sinh(x) hyperbolic sine of x tanh(x) hyperbolic tangent of x

## Constants

math.pi π=3.141592
math.e e=2.718281
math.inf floating-point positive infinity, -math.inf is floating point negative infinity
math.nan A floating point not a number.
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