i1 : copyright
o1 = Macaulay2, version 1.3.1
--Copyright 2009 D. R. Grayson and M. E. Stillman
--GC 7.1, by H. Boehm and Alan J. Demers
--Singular-Factory 3.1.1, by G.-M. Greuel et al.
--Singular-Libfac 3.1.1, by M. Messollen
--pari 2.3.5, the PARI Group, Bordeaux
--NTL 5.5.2, by V. Shoup
--GNU MP 4.2.1, by T. Granlund et al.
--MPFR 2.4.1, by Free Software Foundation
--BLAS and LAPACK 3.0, by J. Dongarra et al.
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