Week Number Functions

Week Number Functions

If you have a set of dates, you might also want their week numbers. These can be returned using the WEEKNUM or ISOWEEKNUM functions. What is the difference though? Function Syntaxes • serial_number — a valid date in serial number…

RANDUNIQUE

RANDUNIQUE

Introducing RANDUNIQUE — for when you want to return an array of unique random numbers. Three weeks ago, I showed a couple of methods of how to do this with formulas. () After a few refinements, those formulas have now…

MMULT Running Total

MMULT Running Total

Previously, I showed you how to use the SCAN function to calculate the running total with a single formula (). However, given only Office Insiders can access it right now, it’s probably not wise to use it in shared workbooks….

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