what is the biggest equation you have ever done????

Question: what is the biggest equation you have ever done????
- Keywords:
  equation,
  research,
  scientist
Asked by hepworthandsimmons to Clare on 14 Mar 2012.
- Clare Burrage answered on 14 Mar 2012:
  
  I’ve worked with some pretty nast equations, some of them take whole pages just to write them down! These were equations which describe what happens at the very beginning of the universe.

Question: what is the biggest equation you have ever done????