File list (Check if you may need any files):
AFD
...\afd.m
...\Analog Filter Designer.pdf
...\BuildCircuit.mat
...\BuildCircuit_FindZ1P1K1.m
...\BuildCircuit_LastStage.m
...\BuildCircuit_SelectCircuit.m
...\BuildCircuit_StageInformation.m
...\BuildCircuit_UpdateComponents.m
...\BuildCircuit_Zpk2Circuit.m
...\ekg.txt
...\ekg60.txt
...\ekg60lot.txt
...\ekgnoise.txt
...\ekgsim.txt
...\ekgsim1.txt
...\ekgsim2.txt
...\ekgsim3.txt
...\FilterOrder_HelpContext.m
...\FilterPictures.mat
...\GuiBuildActiveCircuit.fig
...\GuiBuildActiveCircuit.m
...\GuiBuildStageInformation.fig
...\GuiBuildStageInformation.m
...\GuiFilterOrder.fig
...\GuiFilterOrder.m
...\GuiListFrequencyResponse.fig
...\GuiListFrequencyResponse.m
...\GuiListTransferFunction.fig
...\GuiListTransferFunction.m
...\GuiPlotFrequencyResponse.fig
...\GuiPlotFrequencyResponse.m
...\GuiPlotUserData.fig
...\GuiPlotUserData.m
...\GuiSpecifyFilter.fig
...\GuiSpecifyFilter.m
...\GuiTimeResponse.fig
...\GuiTimeResponse.m
...\license.txt
...\MenuAnalyzePoleZeroPlot.m
...\MenuFileNew.m
...\MenuFileOpen.m
...\MenuFileSave.m
...\MenuFileSaveAs.m
...\MenuHelpAbout.m
...\out.txt
...\sin100hz.txt
...\sin10hz.txt
...\sin10khz.txt
...\sin1hz.txt
...\sin1khz.txt
...\SpecifyFilter_HelpContext.m
...\SpecifyFilter_LoadPicture.m
...\SpecifyFilter_LoadStrFilterObject.m
...\SpecifyFilter_SaveStrFilterObject.m
...\SpecifyFilter_TypeChange.m
...\sq100hz.txt
...\sq10hz.txt
...\sq10khz.txt
...\sq1hz.txt
...\sq1khz.txt
...\StageInformation.mat
...\step.txt
...\Utility_CalculateTime.m
...\Utility_EngOutput.m
...\Utility_GetDefaultFilterObject.m
...\Utility_HelpIcon.mat
...\Utility_Round2Tolerance.m
...\Utility_zpk.m
...\Utility_zpk2ss.m