非常感谢hdkaca （本文来自: 人大经济论坛 Excel专版 版，详细出处参考：http://www.pinggu.org/bbs/viewthread.php?tid=86149&page=1&from^^uid=153238）提供的老版本poptools.

Poptools is a free software. So you can use it in the way you want.

I'm not rich but I do what I can to earn money. If you have money, please give me one unit. Sorry.
Sure, you can download it at the website of http://www.poptools.org/.
So you have the options. You decide it.