In [40]:  pow(Decimal(compute_e(20)),Decimal(compute_pi(20))*sqrt_arbitrary_precision(163,20))
Out[40]: Decimal('262537412640768743.9505015')

In [41]:  pow(Decimal(compute_e(40)),Decimal(compute_pi(40))*sqrt_arbitrary_precision(163,40))
Out[41]: Decimal('262537412640768744.000000001031110752191754482')

In [42]:  pow(Decimal(compute_e(100)),Decimal(compute_pi(100))*sqrt_arbitrary_precision(163,100))
Out[42]: Decimal('262537412640768744.000000001031110752192516813068355824365521654492619945244951221112496841356622215878531')

In [43]:  pow(Decimal(compute_e(200)),Decimal(compute_pi(200))*sqrt_arbitrary_precision(163,200))
Out[43]: Decimal('262537412640768744.0000000010311107521925168130683558243655216544926199452449512211124968413566222166645323110880650432028088134816603628545408493266531539865592943875165773597580547014493277497664203155029
')


20000的太长了，贴出来有点问题

【 在 xheliu 的大作中提到: 】
: 纯粹娱乐下，看看这个很牛的式子是等式，还是近似值。
:
: [upload=1][/upload]
--
FROM 124.71.94.*