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PV Function

Returns a Double specifying the present value of an annuity based on periodic, fixed payments to be paid in the future and a fixed interest rate.

Function PV( _
   ByVal Rate As Double, _
   ByVal NPer As Double, _
   ByVal Pmt As Double, _
   Optional ByVal FV As Double = 0, _
   Optional ByVal Due As DueDate = DueDate.EndOfPeriod _
) As Double

Parameters

Rate
Required. Double specifying interest rate per period. For example, if you get a car loan at an annual percentage rate (APR) of 10 percent and make monthly payments, the rate per period is 0.1/12, or 0.0083.
NPer
Required. Double specifying total number of payment periods in the annuity. For example, if you make monthly payments on a four-year car loan, your loan has a total of 4 * 12 (or 48) payment periods.
Pmt
Required. Double specifying payment to be made each period. Payments usually contain principal and interest that doesn't change over the life of the annuity.
FV
Optional. Double specifying future value or cash balance you want after you've made the final payment. For example, the future value of a loan is $0 because that's its value after the final payment. However, if you want to save $50,000 over 18 years for your child's education, then $50,000 is the future value. If omitted, 0 is assumed.
Due
Optional. Object of type Microsoft.VisualBasic.DueDate that specifies when payments are due. This argument must be either DueDate.EndOfPeriod if payments are due at the end of the payment period, or DueDate.BegOfPeriod if payments are due at the beginning of the period. If omitted, DueDate.EndOfPeriod is assumed.

Remarks

An annuity is a series of fixed cash payments made over a period of time. An annuity can be a loan (such as a home mortgage) or an investment (such as a monthly savings plan).

The Rate and NPer arguments must be calculated using payment periods expressed in the same units. For example, if Rate is calculated using months, NPer must also be calculated using months.

For all arguments, cash paid out (such as deposits to savings) is represented by negative numbers; cash received (such as dividend checks) is represented by positive numbers.

Example

In this example, the PV function returns the present value of an $1,000,000 annuity that will provide $50,000 a year for the next 20 years. Provided are the expected annual percentage rate (APR), the total number of payments (TotPmts), the amount of each payment (YrIncome), the total future value of the investment (FVal), and a number that indicates whether each payment is made at the beginning or end of the payment period (PayType). Note that YrIncome is a negative number because it represents cash paid out from the annuity each year.

Sub TestPV()
   Dim Fmt As String = "###,##0.00"    ' Define money format.
   Dim APR, TotPmts, YrIncome, FVal, PVal As Double
   Dim PayType As DueDate
   APR = 0.0825  ' Annual percentage rate.
   TotPmts = 20   ' Total number of payments.
   YrIncome = 50000   ' Yearly income.
   FVal = 1000000   ' Future value.
   PayType = DueDate.BegOfPeriod   ' Payment at beginning of month.
   PVal = PV(APR, TotPmts, -YrIncome, FVal, PayType)
   MsgBox("The present value is " & Format(PVal, Fmt) & ".")
End Sub

Requirements

Namespace: Microsoft.VisualBasic

Module: Financial

Assembly: Microsoft Visual Basic .NET Runtime (in Microsoft.VisualBasic.dll)

See Also

DDB Function | FV Function | IPmt Function | IRR Function | MIRR Function | NPer Function | NPV Function | Pmt Function | PPmt Function | Rate Function | SLN Function | SYD Function

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