Hello, as of today the standard allows decimals constants, how about allowing rational constants specified as N:D, with N and D two arbitrary precision integers ? Regards, -- Rémi Delmas Remi.Delmas at onera.fr +33.5.62.25.26.54 http://www.onera.fr/dtim/systemes-critiques/ ONERA BP4025 2 avenue Edouard Belin FR-31055 TOULOUSE CEDEX 4