E=mc2 formula derivation.

Who does never meet E=mc2 formula? It is probably the most famous formula in the world. This formula given for us by Albert Einstein ties in one equation mass and energy. In short we can say that E=mc2 tells us that mass and energy are equivalent. I believe that you are interested to know from where this fromula cames from. You will find below completely derivation of E=mc2 formula.