import math

print(math.pi)
print(math.e)

print(math.ceil(3.5))   # find the smallest integer greater than or equal to 3.5
print(math.floor(3.5))  # find the largest integer smaller than or equal to 3.5

print(math.fabs(2))     # absolute value of 2 in float
print(math.fabs(-53.3)) # absolute value of -53.3
print(math.sqrt(9801))  # square root of 9801
print(math.sqrt(4.3))   # square root of 4.3

print(math.log(2))      # find log of 2 to the base e
print(math.log(2, 5))   # find log of 2 to the base 5

print(math.sin(math.pi/2))
print(math.cos(0))
print(math.tan(45))

print(math.degrees(math.pi/2))
print(math.radians(90))