... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The stars of the middle main sequence have relatively quiescent outer layers, and unusual chemical abundance patterns may develop in their atmospheres. ... At present, little is known about the time evolution of these anomalous abundances, nor about the role that diffusion may play in maintaining them, during the main sequence lifetime of such a star. ...

The English word "array" is translated into Swedish as "f lt" which is retranslated into English as "field". We may therefore perhaps use the word field either by mistake or as a suitable name of a specific array. A new feature of Fortran 90 is that you can work directly with a whole array or an array section without explicit (or implicit) DO -loops. ... An array is defined to have a shape given by its number of dimensions (called " rank ") and the extent for each one of these. ...