Hi all, Why do these lines not compile? Const MAXDOUBLE = 1.79769313486231570e + 308; Const MINDOUBLE = 2.22507385850720140e - 308; Const MAXFLOAT = 3.40282346638528860e + 38; Const MINFLOAT = 1.17549435082228750e - 38; Best regards, The Chief Dr Abimbola A. Olowofoyeku (The African Chief, and the Great Elephant) Author of: Chief's Installer Pro v4.01 for Win16 and Win32. Homepage: http://ourworld.compuserve.com/homepages/African_Chief/ E-mail: laa12@keele.ac.uk