> parammax.f: In program `parammax': > parammax.f:15: > PARAMETER ( LWORK = MAX( 1, 2 ) ) > ^ > Invalid declaration of or reference to symbol `max' at > (^) [initially seen at (^)] This is an extension to Standard FORTRAN 77 that g77 does not support yet - it *is* on the list of "highly desirable features" though. HTH, Toon.