In this excerpt from the new book 'Speak Data,' the Wharton professor and best-selling author shares his thoughts on how we ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

D espite its age, Excel continues to evolve with new functions being added over time. There are newer better Excel functions that you should use instead of the old ones. But, there are also some old ...

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...