Software help Latest help files for software No.Software1.Vertical Thermosiphon Design (VTD2.Shell & Tube heat exchanger design (S&THex)3.Shell & Tube condenser design (CnD) 4.Double pipe heat exchanger design (DHex)5.Helical coil heat exchanger design (HCHex)6.Kettle reboiler design (KRD)7.Air cooled heat exchanger design (ACHex)8.Gasketed plate heat exchanger design (PHex)9.Process engineering calculator (PEngCalc)10.Quick process and instrumentation diagram (Quick P&ID)11.Relief valve calculator (RV)12.Orifice design calculator (OrD)13. Physical properties estimation database (PhysProps)14.Physpro fluid properties (PhysPro)