How does π (pi) relate to e (Euler's number)? What are some examples where they are used together in real life situations? - Quora
e to the pi i, a nontraditional take (old version) - YouTube
Why does [math]e^{iπ/2} = i[/math]? - Quora
integral from -infinity to infinity of exp(-x^2) is sqrt(pi). I always found this very elegant. | Mathematics geometry, Physics and mathematics, Studying math
Euler's Formula for Complex Numbers
Euler's Formula for Complex Numbers
lf the roots of (x - a)(x - b) + (x - b)(x - c) + (x - c)(x - a) = 0 are equal, then