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The interactive mathematical programming system GYWOPT is released as free software. It has been developed since early 2000 for experiments with the Integral Basis Method for integer programming by U.-U. Haus, M. Köppe and R. Weismantel.
A declarative logic programming system with first-class relations
embedded in a pure functional subset of Scheme. The system has true
unions, fair scheduling, lexically-scoped logical variables,
set-theoretical semantics, high performance without cuts
Algheme is a computer Algebra system written in the Scheme language.
This project is actually aimed to symbolic computation using Groebner
Bases and related topics; nevertheless, it can eventually evolve in a
computational system for Mathematics in g