i intend to do the calculations of the RELAX3D program .but unfortunately i have encountered a problem . for recording data and using it in another program ,i use the command of OUTPUT , i jus want to know if or not it is an appropriate thing to do . if yes , what is the format of recording data and how can i chaneg this format and convert it to the needed format of CYCLONE program that would be File .EFLD . I really appericate your help in advance