>>> Emerging : portage://sci-mathematics/mathematica-10.3.1-r2:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ license portage://sci-mathematics/mathematica-10.3.1-r2

 └─step  2─┤ download  portage://sci-mathematics/mathematica-10.3.1-r2
             │           └─ file ─┤ 2.98 Gb  	 Mathematica_10.3.1_LINUX.sh

Total: 2 actions (1 license, 1 download), grouped into 2 steps.
       2.98 Gb to be downloaded.


>>> Assumptions taken during proving & planning:

  License acceptance (1 package):
  Add to /etc/portage/package.license:
    ==sci-mathematics/mathematica-10.3.1-r2 all-rights-reserved