What do you get for your leap of faith in complex numbers? For one, trigonometry becomes a lot easier. Instead of memorizing several complicated trig formulas, you need only one equation to rule them ...

The four stamps, issued by China Post, each depict pi the mathematical constant, the Pythagorean theorem, Euler's formula and the Mobius strip. China Post has also developed several games that require ...

the world of complex analysis. For one, trigonometry becomes a lot easier. 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 see that most of the ... number” – and others have observed, complex numbers make seemingly impossible integrals easy ...