Dimensional formula is a formula in which fundamental physical quantities of a quantity are expressed with their powers, i.e., dimensions e.g., dimensional formula of speed given by distance/time is [L${{T}^{-1}}$].
Dimensional formula is a formula in which fundamental physical quantities of a quantity are expressed with their powers, i.e., dimensions e.g., dimensional formula of speed given by distance/time is [L${{T}^{-1}}$].