How to become a Millionaire

Using the Present Value function PV will allow you to calculate how much to invest today in order to become a millionaire after a certain number of years.

The Format of a PV function is

PV(Rate,Nper, Pmt,FV,Due)

Rate=Interest rate

Nper=The length of period (Usually number of years)

Pmt=Periodic payment

FV=Future Value

Due= 1 if payment due at beginning of a period and Due=0 if payment due at the end of a period.

In my example, I am considering one single initial investment in order to earn a certain amount of money in the future, so Pmt is set to 0, and payment due is at the beginning of the period, so it is set at 0, the rest of the values are obtained from the users.
　

Private Sub cmdCal_Click()

Dim F_Money, Int_Rate, Investment As Double
Dim numYear As Single
F_Money = Val(Txt_FV.Text)
Int_Rate = (Val(Txt_Rate.Text) / 100)
numYear = Val(Txt_Year.Text)
Investment = PV(Int_Rate, numYear, 0, F_Money, 1)
Lbl_PV.Caption = Format(-Investment, "$##,###,##0.00")

End Sub

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