# mathlib.py
# Neal Nelson
# 2009.10.12
#
# Experiments with the python math library
# BUG: cube roots here aren't very accurate

import math

def main():
  n1,n2,n3 = input("Enter three numbers separated by commas: ")
  print "square roots: ", math.sqrt(n1), math.sqrt(n2), math.sqrt(n3)
  print "square roots: ", n1 ** 0.5, n2 ** 0.5, n3 ** 0.5
  print "cube roots: ", n1 ** 0.33, n2 ** 0.33, n3 ** 0.33
  print "pi and e ", math.pi, math.e
  print "log and log10 of first two numbers: ", math.log(n1), math.log10(n2)

main()