Featured Formulas

Count between dates by age range

The goal of this example is to count rows in the data where the date joined falls between start and end dates (inclusive) and the age also falls into the age ranges seen in column G. The formula is complicated somewhat by the fact that the age range labels are actually text, so we need to...Read more

Featured Functions


The TEXTSPLIT function splits text by a given delimiter into multiple cells. TEXTSPLIT can split text into rows or columns. The output from TEXTSPLIT is an array that will spill into multiple cells on the workbook.

TEXTSPLIT...Read more

Recent Articles


In this article, I attempt to explain why you see SUMPRODUCT so often in formulas, and when you can use the SUM function instead. The short version: SUMPRODUCT supports array operations natively, which makes it very useful for solving seemingly unrelated...Read more

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