We explain how to fix the issue when Excel is not auto-calculating formulas. Excel is an advanced tool when calculating formulas for statistics.

How to Set Up Auto Calculate in Excel 2010. When you edit the values on your Microsoft Excel worksheet, pressing the "F9" button refreshes the calculation manually.

Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

How to Calculate Negatives in Excel. Microsoft Excel has the ability to automatically recognize a positive or negative number that you enter in a cell. However, if an incorrect format is selected ...