Differential equations may improve training regimens and tournament design for bowlers.

In fact, this equation, familiar to mathematicians and greatly admired for its elegance, is known as Euler’s Identity. Mathematician Leonhard Euler, born in Switzerland in 1707, spent most of ...

Instead of memorizing several complicated trig formulas, you need only one equation to rule them all: Euler’s 1740 formula. With decent algebra skills, you can manipulate Euler’s formula to ...