To keep our financial, investment, tax, health, birthdays information and the like. We can use it for simple as well as specialized calculations. Like, comparing cost and returns of various loan, investment and insurance options available in the market.
If you are experienced with spreadsheets you can also add extra features such as the ability to create graphs from the data you entered. Graphs make it easy to get a quick view of your current financial situation. The graphs will allow you to easily spot trends and areas that are in need of attention in order to keep you on budget.