Created
May 20, 2011 08:11
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| import decimal | |
| decimal.getcontext().prec = 100 | |
| dd=decima.Decimal | |
| def pi(x): | |
| xx=dd(1) | |
| xt=0 | |
| for a in range(x): | |
| xt+=dd(4)/xx | |
| xt*=dd(-1) | |
| xx+=dd(2) | |
| return abs(xt) |
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