NAG Numerical Libraries
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NAG Numerical Libraries is a software product sold by The Numerical Algorithms Group Ltd (originally the Nottingham Algorithms Group). The product is a software libraries of numerical analysis routines. Previously NAG routines were implemented only in Fortran66, Fortran77 and Algol68. NAG is currently available in Fortran and the C (gcc) programming languages. Software developers will typically embed algorithms from these libraries into their software applications, using their preferred programming language. Supported operating systems include Windows, Linux (including 64-bit), Solaris, Mac OS X, AIX, HP-UX, IRIX and Tru64.