All equals are not created equal—mathematicians sometimes play fast and loose. In programming, equal signs mean different things, and variables have different types. Turning intuitive math expertise ...

The equal sign is the bedrock of mathematics. It seems to make an entirely fundamental and uncontroversial statement: These things are exactly the same. But there is ...

A large number of 'excerpts from old emails' have been posted on X (formerly Twitter), which apparently contain a mysterious '=' sign. Lars Ingebrigtsen, author of the Gnus manual, explains what this ...