摘要:Syariah Mandiri Bank is one of Sharia banks in Indonesia, one of the productsoffered are Mudharabah Saving. The saving system will returns results inprofits. In contrast with conventional saving at Mandiri Bank, that all parties,including the benefits of the returned calculation system. The data used weredata of September 2007. The results obtained after analyzing the calculationsystem of the two products, that the Islamic Banks wll adated to competitionwith conventional banks, especially among Muslims. Key Words: computation result, saving, sharia