+Euler's number, denoted by *e*, is a fundamental [mathematical constant](/wiki/mathematical_constant) revealing the beauty of continuous growth. Approximately 2.718, it underpins natural exponential processes, from [compound interest](/wiki/compound_interest) to the elegant equations of [calculus](/wiki/calculus).
+## See also
+- [Pi](/wiki/pi)
+- [Logarithm](/wiki/logarithm)
+- [Exponential Function](/wiki/exponential_function)
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