Well its a pretty broad question, but all of modern physics is expressed in math. Depending on the part of physics, and on the target audience, you might need anywhere from basic algebra to calculus and beyond to read various formulae. Can you give more detail about where you are getting these formulae from?
it is a beneficial concern sometimes i am amazing about fot instance how bohr managed to to write its atom model how einstein managed to write lorentz factor tgrough only pythgore... i think it is a god sent which was given to them i believe i am not capable of doing this kind of job :D