我想这是上一篇SO文章，但我一直在寻找一个可与Objective-C一起使用的开源库，该库将获取贷款参数并生成摊销时间表。我知道有很多iPhone应用程序可以生成摊销时间表，但它们使用什么库？
谢谢
账单
也许他们不使用现有的库。也许他们只是根据C/C++/Objective-C中可以轻松实现的公式来计算计划摊销。
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