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A short note on the most elegant equation in mathematics.
Euler's identity links five fundamental constants in a single line:
It ties together arithmetic, algebra, and geometry at once.
| Symbol | Meaning | Value |
|---|---|---|
| Euler's number | 2.71828… | |
| Imaginary unit | ||
| Circle ratio | 3.14159… |
"The most remarkable formula in mathematics." — Richard Feynman