Mastering Excel goes far beyond SUM and VLOOKUP. By learning functions like COUNT, AVERAGE, SUMIF, SUBTOTAL, XLOOKUP, and INDEX/MATCH, you can find opportunities to improve your Excel sheet. Some ...

I have recently read and heard about situations in which Flex error handling is misunderstood. In this blog entry, I’ll attempt to demonstrate, with a simple ...

Imagine this: you’re managing a sprawling Excel spreadsheet with thousands of rows of data. You need to identify high-priority tasks, flag anomalies, or categorize entries based on specific rules.

This report presents near-minimax rational approximations for the inverse of the error function inverf $x$, for $0 \leqslant x \leqslant 1 - 10^{-10000}$, with ...