Marginal Costing is applied in certain cases where there are instances of deriving incremental cost of a range of products. Absorption Costing is a absolute absorption of fixed and variable cost. Process Costing is basically different its applied in certain industries where raw material are provided as input in different processes and finally they are served as output in different processes. Uniform Costing is a method of costing techniques and cost control. So in view of the above cases , the uniform Costing is not a method of Costing.