@CalcMgrExcelISPMT
Purpose:
Calculates the interest paid during a specific period of an investment
Syntax:
Java Class: com.hyperion.calcmgr.common.excel.cdf.ExcelFinancialFunctions.ISPMT(double,double,double,double)
CDF Spec: @CalcMgrExcelISPMT(rate, per, nper, pv)