Build Faster Excel Workflows Using FILTER, IFS, XLOOKUP, and LET for Real-World Data

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

Pupil dilation offers a time-window on prediction error

Pupil dilation provides a physiological readout of information gain during the brain's internal process of belief updating in the context of associative learning.
Investopedia

Zero-Sum Game Definition in Finance, With Examples

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

I won the Microsoft Excel World Championship. Here's what every office worker should know about Excel

Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.