29 lines
619 B
Python
29 lines
619 B
Python
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#https://gist.github.com/thinkphp/1528363
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1 + 1/1! + 1/2! + 1/3! + ...
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2 + 1/2! + 1/3!+ ...
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'''
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import math
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def fact(n):
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if n == 0:
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return 1
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else:
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return n*fact(n-1)
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def e(EPS):
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v1 = 2
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v2 = v1 + float(1.0/fact(2))
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i = 3
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while math.fabs(v1-v2) >= EPS:
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v1 = v2
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v2 += float(1.0/fact(i))
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i += 1
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return v2
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print("The mathematical constant e")
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#computes the value of e using infinite series
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print(e(0.00000001))
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#mathematical constant e build-in
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print(math.e)
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