pbComputer2023概率论计算器下载download

2023版更新记录：

2023 Edition update Record:

1. 增加了阶乘计算的能力。

1. Increased a rank to multiply by calculating ability.

2.增加了计算独立事件的概率和排列组合的能力。

2.Increased to compute independent affairs all rate and the arrange and the ability of combination.

3.中英文双语的界面。

3.Bilingual interface in Chinese and English.

4.如果在1次试验中某事件发生的概率为p，那么在n次独立重复试验中，这个事件恰好发生k次的概率为Pn(k).

4.If the some affairs takes place all a rate for the p in once experiment, so in the n time the independence repeat experiment, this affairs by luck takes place a k time all a rate for the  Pn(k).

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来源： https://www.cnblogs.com/gdigital/p/16513896.html