Graphing Calculator Games

graphing implicit/3d/whatever (multiple plots) in maple/other software how would I graph this? I'm getting killed by the boundaries on these triple integrals and trying to visualize these graphs without a calculator or any sort of help. for example, how would you get the boundaries from this problem with a graphing software such as maple? :::Problem:::: evaluate the triple integral where E is bounded by the cylinder y^2 + z^2 = 16, and the...