Businesses are always indispensable entity in any society. Money may be given to loaf without being useful to anyone. The major and the fundamental principles of any form of banking is that every idle money usually yields in most cases no increase. Thus, any individual who possesses certain amount of money than is needed for day to day activities as well as the necessities for living may not just put them away in safe places. Financial Mathematics plays a vital role in Economics and Commerce. Certain Economic terminologies with usual notations are necessary and imperative tools for any form of demonstrations of the applications of the financial Mathematics.