''' Purpose: naming allows abstraction
    Author:  Jim Cohoon
    ID:      jpc
'''

# get access to Python math comutational resources
import math             


# demonstrate the two math constants
print( 'Python approximation of pi:', math.pi )
print( 'Python approximation of Euler\'s number:', math.e )

print()
print()

# show some math computation
a = math.radians( 30 )
b = math.radians( 45 )

sin_a = math.sin( a )
tan_b = math.tan( b )

print( 'sin( 30 degrees ):', sin_a )
print( 'tan( 45 degrees ):', tan_b )