Imports System
Imports uCalcSoftware
Public Module Program
   Public Sub Main()
      Dim uc As New uCalc()
      uc.DefineVariable("principal = 5000")
      uc.DefineVariable("rate = 0.05")
      uc.DefineVariable("years = 4")
      Console.WriteLine($"Interest: {uc.EvalStr("principal * rate * years")}")
   End Sub
End Module