"""

Farhan Javed

farhan.javed47@gmail.com

12/15/2019

Basic Math functionality in python 3 - Part 1

https://docs.python.org/3/library/math.html

"""

import math

def main():

# constants in the math module

print(math.pi) # Pi constant

print(math.e) # The Euler's constant

print(math.nan) # Not a number

print(math.inf) # +ive infinity

print(-math.inf) # -ive infinity

# basic trigonometry

# trigonometric functions take angles in randians

angle_in_degrees = 90

angle_in_radians = math.radians(angle_in_degrees)

print(math.sin(angle_in_radians))

print(math.cos(angle_in_radians))

print(math.tan(angle_in_radians))

# Ceiling and floor functions work on the closest integer

my_age = 24.6

my_salary = 45.8

print(f'My age is {math.floor(my_age)}')

print(f'My salary is {math.ceil(my_salary)}')

if __name__ == '__main__': main()