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PrimePi

Usage

• PrimePi[x] 给出小于等于x的素数


Notes

• 自变量PrimePi可以是任何正实数。
• PrimePi[1]给出0.
• 参见 Mathematica 全书: 节 3.2.4.
• 实现注释: 参见节 A.9.4.
• 同时参见: Prime, Zeta.
Further Examples

The number of primes up to , , ..., .

In[1]:=  

Out[1]=



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