Excel table formulas shift from cell positions to named columns with #All-style tags, keeping calculations readable when layouts change.

This Rule Breaker Investing Mailbag picks up where Pet Peeves left off. Listeners wrote in with their own linguistic ...

GPT-5.4 is out now on ChatGPT (where it goes by the name GPT-5.4 Thinking) as well as on the OpenAI API and OpenAI’s coding ...

Build more efficient spreadsheets by using the dollar sign to lock specific rows, columns, or permanent addresses when ...

NotebookLM learned my movie taste better than streaming apps ...