Euler’s identity is often celebrated as one of the most beautiful equations in mathematics: e^(iπ) 1 = 0. It brings together five of the most important constants—e, i, π, 1, and 0—into a single elegant formula. What makes this identity so remarkable is how it links fundamental concepts from different branches of mathematics: e, the base of natural logarithms from calculus; π, the circle constant from geometry; and i, the imaginary unit from complex numbers. The equation essentially reveals a dee