A computer algebra system for differential geometry, gravitation and field theory. Version 3.1 works with PSL-based REDUCE 3.3 or 3.4.
E-mail: V.V. Zhytnikov <vvzhy@phy.ncu.edu.tw>.
(1994-12-16)
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Nearby terms: grep « grey-scale « Greystone Technologies « GRG » GRIB » grick » grilf