You will find that there are dozens of different tutorials available online, ranging from books and courses that you can pay for to tutorials and video lessons that can be downloaded for free. Each of these courses is broken down into sections that will address each of the different sections of formula so that you can learn them in groups. This tends to make it much easier to fully grasp the necessary formula for each section before moving on to the next segment.
If you are relatively new to using Excel, you will notice that learning to use all Excel formulas is no easy task. There are many different functions that can be accomplished by the use of these formulas such as mathematical calculations. This is not something you can accomplish by listing your data on a Word document. The simplest of all Excel formulas are those used to perform basic mathematical calculations such as addition, subtraction, division and multiplication. If you have never worked inside of an Excel spreadsheet, you are going to need to find a course that can teach you how to get started. These functions are among the most basic and are quickly learned by even the most inexperienced users.