The theoretical kernel of natural science may be viewed as having two components:
Together, these form the essence of mathematical modeling and computational mathematical modeling.
Lagrange's equations
Schrödinger's equation
Einsteins's equation
Navier's elasticity equations
Navier-Stokes/Euler equations
Maxwell's equations
Wave equation
Convection-diffusion-reaction equation
Kohn-Sham equation
Black-Schole's
Heat equation
Beam and Plate equation
Neutron transport equation
Boltzmann's equation