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发帖数: 861 | 1 【 以下文字转载自 Mathematics 讨论区 】
发信人: senorbueno (好好先生), 信区: Mathematics
标 题: 请教关于多久可以付清信用卡的数学问题
发信站: BBS 未名空间站 (Tue Jun 1 19:53:21 2010, 美东)
To find out how may payments it takes to pay off a debt, the general formula
can be:
n = -log(1-i*B/p) / log(1+i)
n: how many payments
i: interest rate per payment period
B: initial balance
p: amount of each payment
OK, the question is: the credit card company does not charge interest if you
pay full, while this formula does not consider that. If you use $200 | p**z
发帖数: 1311 | | b******e
发帖数: 501 | 3 那这是属于什么学科的呢？我觉得还蛮有趣的，我希望会计也可以有这样的知识学。 |
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