You can always go back and learn the rest of them as you need them or when you have mastered the various formulas you are using on a regular basis. There are many different formula used in Excel to create spreadsheets and manipulate the information you place within them. Over time and with a fair amount of studying, you will come to understand how to use them all. Technology has changed so much since last century and all of us who live in this competitive age are forced to use it. How exactly can you fully utilise technology so that gain the maximum benefits from them?
Secondly, you can start reading, watching and listening to the news online. News are constantly updated online and provide you ”the edge” when it comes to getting the latest information. If you are only accustomed to read the newspaper every morning, you miss out to compete with the others that know how to use internet to find the latest information.