Make Excel evaluate your data for you.
The ISBLANK function returns TRUE if the value is blank and False if the cell is not blank. The ISBLANK function is an information function and will locate an empty cell. The formula for the ISBLANK ...
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, ...