GRTensor, GRTensorII, GRLite, GRTensorJ and GRTensorM are provided free* of charge on the condition that it is acknowledged that we accept no liability for software performance, continued maintenance, or damage to data.The authors retain any and all rights to the software known as GRTensor, GRTensorII, GRLite, GRTensorJ and GRTensorM their documentation and distribution. Copies of GRTensor, GRTensorII, GRLite, GRTensorJ and GRTensorM may not be redistributed without notice to the authors. GRTensor, GRTensorII, GRLite, GRTensorJ and GRTensorM development has been funded in part by grants from the Natural Sciences and Engineering Research Council of Canada, (NSERC) and the Advisory Research Committee of Queen's University. The development of GRTensorM has also been supported by a Visiting Scholar Grant to Peter Musgrave from Wolfram Research Inc.

*Use of GRTensorII,GRLite,GRTensorJ or GRTensorM for the purposes of commercial enterprise is forbidden without prior arrangement with the authors.

    Maple © Waterloo Maple Software
    Mathematica © Wolfram Research, Inc.
    Java © Sun Microsystems, Inc.