Created
January 22, 2013 19:23
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ISPMT Function
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| // Copyright (c) 2012 Sutoiku, Inc. (MIT License) | |
| function ISPMT(rate, period, periods, value) { | |
| // Evaluate rate and periods (TODO: replace with secure expression evaluator) | |
| rate = eval(rate); | |
| periods = eval(periods); | |
| // Return interest | |
| return value * rate * (period / periods - 1); | |
| } |
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