Imports System Imports uCalcSoftware Public Module Program Public Sub Main() Dim uc As New uCalc() '// 1. Parse the expression string once to create a reusable object. '//var expr = uc.Parse("5 * 10"); Using expr As New uCalc.Expression("5 * 10") '// 2. Evaluate the pre-parsed object as many times as needed. Console.WriteLine(expr.Evaluate()) Console.WriteLine(expr.Evaluate()) End Using '// The expression object is automatically released here. End Sub End Module