Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

The relationship between social media use and psychological functioning, especially anxiety and depression, has demonstrated varied results. Some studies have found that social media use has a ...

Using ChatGPT on a long-term basis could have negative effects on brain function. That’s according to a study led by the Massachusetts Institute of Technology (MIT), which found that using a large ...

A new study led by UC San Francisco researchers finds that chronic cannabis use — whether it’s smoked or consumed in edible form — is associated with significant cardiovascular risks. The report, ...

Section 1. Purpose. Dangerous gain-of-function research on biological agents and pathogens has the potential to significantly endanger the lives of American citizens. If left unrestricted, its effects ...

Microsoft’s new Outlook app — labeled “Outlook (new)” as opposed to “Outlook (classic)” — normally saves your emails online, so you cannot access them without an internet connection. However, it’s now ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...