Math Functions

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Math Functions

Math module is standard module already available in python. We have to import math module to use their functions. 

sqrt():

Return square root of given number

import math

print(math.sqrt(25)) #5

print(math.sqrt(49)) #7

factorial(x) 

Return the factorial of given Number.

print(math.factorial(5))  #120

pow(x, y)

Returns x raised to the power y

import math

print(math.pow(3,3)) #27

ceil()

Round a number upward to its nearest integer:

import math

print(math.ceil(4.3))  # 5

print(math.ceil(5.6)) # 6

print(math.ceil(-5.6)) # -5

floor()

Round a number downward to its nearest integer

import math

print(math.floor(4.3))  # 4

print(math.floor(5.6)) # 5

print(math,floor(-5.6)) # -6

fmod(x, y)

Find remainder after dividing x by y.

print(math.reminder(10,4))  #2

print (math.fmod(67, 7))  # 4

fabs() 

Return absolute value( remove the sign of given number

print(math.fabs(-35))  # 35

fsum(iterable)

Return sum of the elements in an iterable object

list=[1,2,3,5]

print(fsum(list)) #11

gcd(x, y)

Returns the highest value that can divide two integers

print(math.gcd(4,6))  #2

log10( ) 

return the base-10 logarithm of  given number

print(math.log10(2)) #0.3010299956639812

print(math.log10(1)) #0.0

log2( ) 

return the base-2 logarithm of  given number

print(math.log2(2)) #1.0

print(math.log2(1)) #0.0

cos()

Return the cosine value of given number

print (math.cos(0))  # 1.0

sin()

Return the sine value of given number

print (math.sin(0))  # 0.0

tan()

Return the tangent value of given number

print (math.tan(0))  # 0.0

acos()

Return the arc cosine value of  given number

The parameter passed in acos() must lie between -1 to 1.

-1 will return the value of PI.

print (math.acos(1))  # 0.0

asin()

Return the arc sine value of numbers

The parameter passed in asin() must lie between -1 to 1.

1 will return the value of PI/2, and -1 will return the value of -PI/2.

print (math.asin(0))  # 0.0

atan()

Return the arc tangent value of numbers

print (math.atan(0))  # 0.0

degrees()

Convert angles from radians to degrees.

PI (3.14..) radians are equal to 180 degrees, which means that 1 radian is equal to 57.2957795 degrees.

print (math.degrees(1))  #57.29577951308232

print (math.degrees(3.14))  #179.9087476710785

radians()

Converts angles from degrees to radians

print(math.radians(180))   #3.141592653589793

exp(x):

Find the exponential value of a given x number

Returns e**x

where E is Euler's number (approximately 2.718281...)

print(math.exp(65))  #  1.6948892444103338e+28

infinite() :

Check whether given value is finite or not

print (math.isfinite (56)) # true

print (math.isfinite (-45.34)) #true

print (math.isfinite (+45.34)) #true

print (math.isfinite (math.inf)) #false

print (math.isfinite (float("nan"))) #false

Constants in Math Module

pi :        Return the value of pi: 3.141592

e:         Return the value of  Euler's number (natural base)  e is                  0.718282

non:    floating-point NaN (Not a Number) value

inf :    Print the positive and negative infinity: