IFinance.Ppmt

Fore Syntax

Ppmt(Rate: Double;

Period: Integer;

PeriodCount: Integer;

PresentValue: Double;

FutureValue: Double;

Type: Integer): Double;

Fore.NET Syntax

Ppmt(Rate: double;

Period: integer;

PeriodCount: integer;

PresentValue: double;

FutureValue: double;

Type: integer): double;

Parameters

Parameters	Description	Constraints
Rate	Loan interest rate.	Cannot be negative.
Period	Period.	Must be in the [1;PeriodCount] interval.
PeriodCount	Total number of payments on a loan.	Must be positive.
PresentValue	Present net value or a total sum, which is currently equal to a set of future payments, also called a capital amount.
FutureValue	The required value of future cost, or the remainder after the last payment.
Type	Selecting time of payment: 0 - in the end of the period. 1 - in the beginning of the period.	Must take the values 0 or 1.

Description

The Ppmt method returns a sum of regular payments for the investment, if the payment sums are equal and the interest rate is constant.

Comments

Ppmt is calculated using the following formula:

Where Pmt - monthly payment on loan.

To get monthly payment on loan, use the IFinance.Pmt method.

Fore Example

To execute the example, add a link to the MathFin system assembly.

Sub UserProc;
Var
    r: Double;
Begin
    r := Finance.Ppmt(0.01, 3, 12, 50000, 0, 0);
    Debug.WriteLine(r);
End Sub UserProc;

After executing the example the console window displays the payment value equal to -4021.683.

Fore.NET Example

The requirements and result of the Fore.NET example execution match with those in the Fore example.

Imports Prognoz.Platform.Interop.MathFin;
…
Public Shared Sub Main(Params: StartParams);
Var
    r: double;
    Finance: FinanceClass = New FinanceClass();
Begin
    r := Finance.Ppmt(0.01, 3, 12, 50000, 0, 0);
    System.Diagnostics.Debug.WriteLine(r);
End Sub;