Excel is for everyone, all business types. If choosing the right Excel Course level to book into is daunting for you. Then attend a customised Microsoft Office Computer courses instead where you can bring examples of your own work. Book in with a group of your colleagues or just for you. The main things an employer is looking for out of your Excel skills is that you can create basic spreadsheets with formatting, basic formulas and functions like SUM, AVERAGE and COUNT. For the high-end skilled jobs like Analysts they are looking that you know more complex functions like, VLOOKUP, INDEX, MATCH, PIVOT TABLES and MACROS. Remember is you are serious about making this knowledge stick then, practice, practice, practice withing the first week of your learning.
Functions are different to Formulas. Formulas use operations like + - * / where as Functions follow a structure. They both start with = A Functions has = Function Name ( in that order. There are over 300 Functions in Microsoft Excel.