When you enter a number into an Excel cell that looks like a date, such as "Jun-1" or "6/1," Excel automatically adjusts the format of the cell to display a date, so you may not know that Excel ...

As you create Excel spreadsheets for your small business, time and date functions frequently add both convenience and programming capability to your workbooks. There's good news with date functions.

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Excel’s Date & Time functions ease the workload for bookkeepers, project planners, HR departments, and other jobs where time is money. The four functions covered here—ISOWEEKNUM, WEEKNUM, WORKDAY, ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

To kick things off, let’s explore how to perform essential calculations like determining the total salary and headcount by department. This is where functions such as `COUNTIFS`, `SUMIFS`, and ...