A formula for conservation of energy

[nibbel11]

for my physics class a was working on a formula about conservation of energy
could you guys tell me if it is somewhat right and stuff i forgot about

=constant/s

so this is my try making a formula about the total energy in the universe

 

[Nugatory]

Two links you may find interesting:
http://www.preposterousuniverse.com/blog/2010/02/22/energy-is-not-conserved/
http://math.ucr.edu/home/baez/physics/Relativity/GR/energy_gr.html