Euler found an answer to that question almost accidentally. He set out to understand functions, which are essentially mathematical machines that start with one number and produce another.

Euler’s identity is an equality found in mathematics that has been compared to a Shakespearean sonnet and described as " the most beautiful equation." It is a special case of a foundational ...

quirky science A mathematical equation hidden in rat whiskers can be used to design railway tracks The Euler spiral is a unique natural structure that can display multiple shapes.