There are some situations when you need to sum up the time in Excel. Let’s say, you have worked on a particular project at different time intervals for a week. To calculate your wages, you need to add ...

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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 ...

An curved arrow pointing right. Every Excel expert knows how to navigate without a mouse and how to format data using keyboard shortcuts. But do you know how to insert a sum without typing the formula ...