//可使用 Excel 公式指导算出贷款的`月还款额`。
PMT(rate, nper, pv, [fv], [type])
//返回根据定期固定付款和固定利率而定的投资在已知期间内的`本金`偿付额。
PPMT(rate, per, nper, pv, [fv], [type])
//基于固定利率及等额分期付款方式，返回给定期数内对投资的`利息`偿还额。
IPMT(rate, per, nper, pv, [fv], [type])
//返回一笔贷款在给定的 start_period 到 end_period 期间`累计偿还的利息数额`。
CUMIPMT(rate, nper, pv, start_period, end_period, type)
RateRequired. Lending rates. 【interest rate】perRequired. Specifies the number of periods, which must be in the range 1 to nper. 【the term】NperRequired. The total number of payments on this loan. [Total loan amount]pvRequired. Present value, or the total value of a series of future payments now, is also called [principal].fvOptional. Future value, or the desired cash balance after the last payment is made. If fv is omitted, its value is assumed to be 0 (zero), i.e. the future value of the loan is 0.TypeOptional. The number 0 (zero) or 1 indicates the time of payment.
Microsoft official website tutorial: PMT
Microsoft official website tutorial: PPMT
Microsoft official website tutorial: IPMT
Microsoft official website tutorial: CUMIPMT
