The VSTACK and HSTACK functions enable efficient data combination from multiple sheets while maintaining dynamic functionality. They're also quite easy to use with other functions if, for example, you ...

Use a CTE that returns the row ID and the result of the DateDiff, then join that to your existing result set? It may or may not be faster, so as always, test it to see.

Multiple zeta functions extend the classical Riemann zeta function to several complex variables by involving multiple summations with distinct exponents. These functions not only encapsulate deep ...

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000, which is the only version that explains how this function works.