Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

The busy beaver function is the first example of a noncalculable mathematical expression.

Mathematicians used “magic functions” to prove that two highly symmetric lattices solve a myriad of problems in eight- and 24-dimensional space.

Google has announced that Google Sheets is getting the ability to intelligently suggest formulas and functions for your spreadsheet, based on the data you’re trying to analyze. For example ...