File list (Check if you may need any files):
VTPR_VLE
........\@cIdealEoS
........\..........\BoilingTemp.m
........\..........\BubblePoint.m
........\..........\cIdealEoS.m
........\..........\compr.m
........\..........\Density.m
........\..........\derZ_derT.m
........\..........\DewPoint.m
........\..........\display.m
........\..........\Enthalpy.m
........\..........\Flash.m
........\..........\fug.m
........\..........\fugF.m
........\..........\fugS.m
........\..........\MultiFlash.m
........\..........\obj_BTemp.m
........\..........\obj_BubblePoint.m
........\..........\obj_DewPoint.m
........\..........\obj_FlashMulti.m
........\..........\obj_Pvap.m
........\..........\PxyDiagram.m
........\..........\RachfordRice.m
........\..........\Solubility.m
........\..........\subsasgn.m
........\..........\subsref.m
........\..........\TxyDiagram.m
........\..........\VaporPressure.m
........\@cMixture
........\.........\cMixture.m
........\.........\display.m
........\.........\private
........\.........\.......\CheckMolFrac.m
........\.........\.......\GetInterCoef.m
........\.........\.......\massFrac.m
........\.........\.......\MW.m
........\.........\.......\SetInterCoef.m
........\.........\subsasgn.m
........\.........\subsref.m
........\@cPREoS
........\.......\alpha_function.m
........\.......\compr.m
........\.......\cPREoS.m
........\.......\Enthalpy.m
........\.......\fugF.m
........\@cSubstance
........\...........\cSubstance.m
........\...........\display.m
........\...........\subsasgn.m
........\...........\subsref.m
........\exp.mat
........\PxyDiagramExample.m