返回净现值。就是根据CashFlows未来现金流的状况，以Rate利率折线的数值。PaymentTime决定CashFlow的是在期初还是期末发生
范例(t):
[code]
Rate := 0.1;
CashFlows := Array(100,1000);
PaymentTime := 0;
return NetPresentVal…

[htm]<table><tbody><tr style="background-color: #D3D3D3; font-weight: bold;"><td>
函数名</td><td>
函数名…

范例(t):
[code]
Cost:=100;
Salvage := 32;
life := 3;
Period := 2;
return DoubleDecliningBalance(…

范例(t):
[code]
Rate := 0.05;
Nperiods := 5;
Payment := 100;
PresentValue := -10000;
PaymentTime…

范例(t):
[code]
Rate := 0.1;
Period := 5;
Nperiods := 12;
PresentValue :=120;
FutureValue :=500;…

范例(t):
[code]
NPeriod :=5;
Payment := -100;
PresentValue := 1000000;
FutureValue := 100;
Payme…

范例(t):
[code]
Guess := 100;
data := array(10,20);
return InternalRateOfReturn(Guess,Data);
[/co…

范例(t):
[code]
Rate := 0.1;
Payment := 100;
PresentValue :=101 ;
FutureValue:= -105;
PaymentTim…

范例(t):
[code]
Rate := 0.1;
CashFlows := Array(100,1000);
PaymentTime := 0;
return NetPresentVal…

范例(t):
[code]
Rate := 0.1;
Nperiods :=100;
PresentValue:=0;
FutureValue := 10000;
PaymentTime …

范例(t):
[code]
Rate := 0.1;
Period :=10;
Nperiods :=30;
PresentValue:=0;
FutureValue := 10000; …

范例(t):
[code]
Rate := 0.1;
Nperiods :=30;
FutureValue := 10000;
PaymentTime := 0;
return Prese…

范例(t):
[code]
return SLNDepreciation(20000,2000,5);
//结果：3600
//第一年应提折旧额=(20000-2000)/5=3600
//…

范例(t):
[code]
return SYDDepreciation(20000,2000,5,2);
//结果：4800
//第一年应提折旧额=(20000-2000)*5/((1+5)…