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.
Build a solid foundation knowledge, you will find that all the programs upgrades is quite easy for you to understand. This is because the core foundation will not change. When it comes to learning new things, you want to take it one bite at a time. Don‘t punish yourself if you can‘t get it the first time. Don‘t give up easily. If you don‘t know how to even write an email, start by just register an account. If you don‘t have a computer, start by using the computers in the public library. Be flexible with the approach but be firm with the intention when it comes to learning the new technology.