Creating Financial Calculators

You can create all kinds of financial calculators in Visual Basic easily as long as long you know the relevant formulas.

For example, you can create a future value calculator using the following formula:

FV = PV * (1 + i / 100)n

FV=Future Value

PV=Present Value

i=Interest

n=Number of periods

You simply create a function for the future value, as follows:

Private Function FV(pv As Single, i As Single, n As Integer) As Double
FV = pv * (1 + i / 100) ^ n
End Function

You then write code for a button where it can compute the future value when the user clicks on the button, as follows:

Private Sub BtnCal_Click(sender As Object, e As EventArgs) Handles BtnCal.Click

Dim FutureVal As Single
Dim PresentVal As Single
Dim interest As Single
Dim period As Integer

PresentVal = TxtPV.Text
interest = TxtInt.Text
period = TxtN.Text
FutureVal = FV(PresentVal, interest, period)
LblFV.Text = Format(FutureVal, “$#,##0.00”)

End Sub

Some of the financial calculators created by us are:

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