check the automatic calculation option

How to Turn On Automatic Calculation in Excel 2013

Formulas make it much simpler to compare and evaluate data in your Microsoft Excel 2013 workbooks. By creating a formula you can enable Excel to perform mathematical functions with the numbers that you have entered into your cells. But the calculation of those functions can be set to occur either automatically or manually, so you… Continue Reading How to Turn On Automatic Calculation in Excel 2013