Python 3.4.0 (v3.4.0:04f714765c13, Mar 16 2014, 19:25:23) [MSC v.1600 64 bit (AMD64)] on win32
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>>> import math
>>> math.log(5)
1.6094379124341003
>>> math.log(math.e)
1.0
>>> math.log10(2)
0.3010299956639812
>>> math.log10(10)
1.0
>>> max(10,15,20,45,-18)
45
>>> min(11,19,17,6,-213)
-213
>>> round(17.457,2)
17.46
>>> 
