Finance is a field closely related to accounting that deals with the allocation of assets and liabilities over time under conditions of certainty and uncertainty. Finance also applies and uses the theories of economics at some level. Finance can also be defined as the science of money management. A key point in finance is the time value of money, which states that purchasing power of one unit of currency can vary over time. Finance aims to price assets based on their risk level and their expected finance


                                        There are some sub divisions of finance

              1.   public finance

              2.   corporate finance
             
              3.   personal finance

1.  public finance 

                            It is the study of the role of the government in the economy

2.   corporate finance  

                                    Corporate finance is the area of finance dealing with the sources of funding and the capital structure of corporations and the actions that managers take to increase the value of the firm to the shareholders, as well as the tools and analysis used to allocate financial resources. The primary goal of corporate finance is to maximize or increase ^valueAlthough it is in principle different from managerial finance which studies the financial management of all firms, rather than corporation alone, the main concepts in the study of corporate finance are applicable to the financial problems of all kinds of firms.

The terms corporate finance and corporate financier are also associated with investment banking. The typical role of an investment bank is to evaluate the company's financial needs and raise the appropriate type of capital that best fits those needs. Thus, the terms “corporate finance” and “corporate financier” may be associated with transactions in which capital is raised in order to create, develop, grow or acquire businesses.

3.   personal finance

                                 It is the financial management which an individual or a family unit is required to do to obtain, budget, save, and spend monetary resources over time, taking into account various financial risks and future life events