You can make utilities for yourself where you can put all your calculations and worksheets. This will reduce repetitive work to a great extent and help you save time for some other productive and constructive work. Apart from them, there are a countless number of other ways to use spreadsheet such as planning your tax, investment, cash flows, managing phone numbers and contact details and the like.
To get started, type the month in question in large print at the top. Next, you need to type (also in large font) how much money you make each month. So, if this is a four week month, you want to take your weekly paycheck and add it four times. Next, you need to go through and create a column with your expenses. You need to start with the necessary items first.