Calculates the number of inhabited planets and advanced civilizations. E.T. Counter addresses to (hobby) astronomers, sci-fi fans and all other scientifically interested people. It calculates, among other things, the number of advanced civilizations that currently exist in our galaxy, based on your own specifications and assumptions. The algorithm is inspired by Isaac Asimov and the Green Bank formula.

The license of this software is Freeware, you can free download and free use this calculator software.