We have created sample data containing sales of 6 different companies in four consecutive months (from January to April). The Total Sales sheet represents the total number of sales in all four months ...

You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of your worksheet. The sum of a column of zeros ...

Excel considers dates and times as numbers in cells, making calculation difficult. Excel processes 6 AM as "0.25," because it is one quarter of the way through the day. If you need to add a number of ...

Using Microsoft Excel to subtract numbers may take a few more steps than you're used to, but it can be done. In this guide, we'll show you four different ways to subtract in Excel: Within a cell, ...