Using Maple + GRTensorII in teaching basics of General Relativity and   Cosmology
  In this article we propose some Maple procedures, for teaching purposes, to study the basics of General Relativity (GR) and Cosmology. After presenting some features of GRTensorII, a package specially built to deal with GR, we give two examples of how one can use these procedures. In the first example we build the Schwarzschild solution of Einstein equations, while in the second one we study some simple cosmological models. 
Ciprian A. Sporea, Dumitru N. Vulcanov
gr-qc