Title: Mathematical Operations
Slug: math_operations
Summary: Mathematical Operations
Date: 2016-05-01 12:00
Category: Python
Tags: Basics
Authors: Chris Albon

Import the math module



In [5]:

    
import math

Display the value of pi.



In [6]:

    
math.pi









    Out[6]:





3.141592653589793

Display the value of e.



In [7]:

    
math.e









    Out[7]:





2.718281828459045

Sine, cosine, and tangent



In [8]:

    
math.sin(2 * math.pi / 180)









    Out[8]:





0.03489949670250097

Exponent



In [9]:

    
2 ** 4, pow(2, 4)









    Out[9]:





(16, 16)

Absolute value



In [10]:

    
abs(-20)









    Out[10]:





20

Summation



In [11]:

    
sum((1, 2, 3, 4))









    Out[11]:





10

Minimum



In [12]:

    
min(3, 9, 10, 12)









    Out[12]:





3

Maximum



In [13]:

    
max(3, 5, 10, 15)









    Out[13]:





15

Floor



In [14]:

    
math.floor(2.949)









    Out[14]:





2

Truncate (drop decimal digits)



In [15]:

    
math.trunc(32.09292)









    Out[15]:





32

Truncate (integer conversion)



In [16]:

    
int(3.292838)









    Out[16]:





3

Round to an integrer



In [17]:

    
round(2.943), round(2.499)









    Out[17]:





(3, 2)

Round by 2 digits



In [18]:

    
round(2.569, 2)









    Out[18]:





2.57