Practical Powerpivot & Dax Formulas For Excel -

CALCULATE : The most powerful function, used to modify the filter context of a calculation.

In his book author Art Tennick provides a comprehensive guide for extracting actionable insights from massive corporate datasets. This "hands-on" resource is particularly noted for: Practical PowerPivot & DAX Formulas for Excel

RANKX : Automatically ranks items (like products or sales reps) based on a specific value. Practical PowerPivot & DAX Formulas for Excel 2010 CALCULATE : The most powerful function, used to

If you're looking for the "power" in PowerPivot, these common DAX functions highlighted by expert resources like Microsoft Support and Analytics Vidhya are essential: CALCULATE : The most powerful function