Discrete and Continuous Models and Applied Computational ScienceDiscrete and Continuous Models and Applied Computational Science2658-46702658-7149Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University)8288Common Lisp Version of the System of Computer Algebra REDUCERaportirenkoA MЛаборатория информационных технологий; Объединённый институт ядерных исследований; Joint Institute for Nuclear Researchram@jinr.ruJoint Institute for Nuclear Research020220102.2404408092016Copyright © 2010,2010The work deals with implementation of the system of computer algebra REDUCE in the Common Lisp environment with the use of interpreters CMUCL and GCL. The issues of sharing the programs written in the programming languages Common LISP and Standard LISP as well as specific for CMUCL and GCL features of compilation and optimization of the system are considered.REDUCECommon LispREDUCECommon Lispcomputer algebraкомпьютерная алгебра