+Euler's Identity, $e^{i\pi} + 1 = 0$, beautifully connects five fundamental constants: [e](/wiki/e), [i](/wiki/i), $\pi$, 1, and 0. Hailed as the 'most beautiful formula', it reveals a profound unity across [mathematics](/wiki/mathematics).
+## See also
+- [Euler's Formula](/wiki/euler%27s_formula)
+- [Complex Number](/wiki/complex_number)
+- [Mathematical Constant](/wiki/mathematical_constant)