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 ...

This post shows how to use the TRUNC function in Excel. Use it to remove or truncate decimals, time from date-time format, etc. It is the opposite of Round.

How to Make a Cell on Microsoft Excel With a Changing Date. Microsoft Excel offers a Function Library with formulas that insert the current date when you open the worksheet or enter calculations.

Using Excel as a scheduling tool is a great skill to have under your belt. Learn how to use SUM, DATE, WEEKDAY, IF, Nested IF, and IF/OR functions.

For example, the SUM function accepts two numbers and returns a number. Functions of different categories in Excel often return the same data type.

We show you how to use Excel to count days between two dates using the DAYS, DATEDIF, NETWORKDAYS, and TODAY functions, and Subtraction.

Financial modeling in Excel requires a comprehensive understanding and skillful application of various functions.

Excel for the web now supports conditional formatting, and the interface is easier to use than the desktop edition. Susan Harkins shows you how to use it.