If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...

The Excel Date & Time functions I’m covering here—EDATE, YEARFRAC, EOMONTH, and NETWORKDAYS.INTL—are four of the many used for counting days. For each function listed below, I’ll define it first, then ...

When you use Excel for project management, you need to manage deadlines and dependencies to avoid any delay. With a few clever formulas, you can transform those rows and columns into a powerful ...