Imports System Imports uCalcSoftware Public Module Program Public Sub Main() Dim uc As New uCalc() '// 1. Default behavior: returns 'inf' Console.WriteLine(uc.EvalStr("1e308 * 10")) '// 2. Enable error raising for overflow uc.Error.TrapOnOverflow = true Console.WriteLine(uc.EvalStr("1e308 * 10")) '// 3. Disable it again to revert to default uc.Error.TrapOnOverflow = false Console.WriteLine(uc.EvalStr("1e308 * 10")) End Sub End Module