Corrigendum to I, “Development of an equation of state for the square-well chain molecules of variable well width based on a modified coordination number model” by Jung-Chin Tsai and Yan-Ping Chen [Fluid Phase Equilib. 187–188 (2001) 39–59] and to II, “VLE calculations for non-polar fluid mixtures and polymer solutions using a SAFT-VR type equation of state” by Jung-Chin Tsai and Yan-Ping Chen [Fluid Phase Equilib. 232 (2005) 100–112]