functions - return a value, which we can use


x = Int(2.6)
y = Int(7.6) + 6

Public Class Form1
    Function Foo() As String
        Dim x As Integer
        x = 7
        Return "Hello"
    End Function

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim s As String
        s = Foo()
        Button1.Text = s
    End Sub
End Class


y = f(x)

money today is worth more than money a year from now
FV = PV * (1+RATE)^NPER


but can compount mult times per year. need divide by freq

HW: Chapter 4 Programming Projects
 1-4