object Form1: TForm1 Left = 315 Height = 105 Top = 260 Width = 408 Caption = 'Form1' ClientHeight = 105 ClientWidth = 408 LCLVersion = '1.6.2.0' object Edit1: TEdit Left = 16 Height = 38 Top = 48 Width = 368 OnChange = Edit1Change TabOrder = 0 end object Label1: TLabel Left = 16 Height = 21 Top = 16 Width = 227 Caption = 'Enter simple expression like: 2+3=' ParentColor = False end end