The app is the first of five apps, covering the cosmos.
All apps have names starting with EC which stands for Cosmic Equation. The apps are as follows:
EC Theory
EC Two bodies
EC Solar system
EC Black hole
EC Space missions

The application 'EC Theory' is divided into three parts:
- Cosmic equation?
-Lessons
-Animation

Cosmic equation? - Report my thoughts that led to the formulation of the cosmic equation and which physical and natural principles are based.

Lessons - Illustrate the method to reach the cosmic equation, through nine lessons. The method adopted is very simple even if laborious and is within the reach of those who have a mathematical and physical preparation imparted in high schools.

Animation - It is an example of application of the cosmic equation, and visualizes the motion of the solar system in our galaxy that is in the milky way.