In order for Excel to perform the arithmetic you must hit the key. When performing calculations in Excel you should always start with the equal sign. The outlook of Excel will depend on your version.
Parentheses exponents multiplication and division addition and subtraction.
Here is a list of most frequently used mathematical formulas in excel. These arithmetic operations are the fundamental thing of Excel so it will be same for any version of it. The AVERAGE function simply returns the arithmetic mean of all the cells in a given range. First you need to open a Blank Workbook from your MS Excel software and it doesnt really matter which version you are using right now.